This is accomplished by drawing contaminates within the hood’s work area away from the user, so that inhalation and contact are minimized. Fume Hood Design. 00. Protects the operator or class from toxic fumes and (with added HEPA/ULPA filter) particle hazards. Browse a wide range of PCR enclosures and laminar flow hoods designed to prevent sample contamination and. A ductless fume hood is customarily more costly than a ducted hood when labor isn’t factored in. Ductless Fume Hood. It is completely molded of fire retardant fiberglass. The Ascent™ Max Ductless Fume Hood with Secondary HEPA filter has an efficiency of 99. Obstructions such as pillars or columns in the laboratory should not be within 30 cm of the sides of the fume hood. oodS. And finally, with 1200 CFM or more, install a 10” duct. Because the status of the chemical fume hood can change anytime, continuous air flow indicators are recommended. The air enters the hood through the sash. Size: W X D X H = [915 x 610 x 610] [1220 x 610 x 610] [1830 x 610 x 610] Any pedestrian routes or walkways should be at least 1. Each laboratory should be provided with efficient fume hoods, equipped with a sink for the washing of apparatus used for handling toxic materials. An exhaust fan draws air into the front opening of the hood, then up and out of the hood through the ductwork. We are a one-stop shop for all your lab furniture needs. 8'' slope front ergonomics design, fatigue-free working posture. While solder composition may vary, it usually contains 60-63% tin and 37-40% lead. Description. Airfiltronix Fume Hood with Microscope Cut-Out, 110 VAC RK-33705-02. Ductless fume hood means a non-ducted fume hood utilized for the safe removal of low hazard chemical or other nuisance vapors and/or fumes, and is often referred to as a “green” fume hood, and referred to in this. We. Proper maintenance of ductless fume hoods starts with a solid filter replacement schedule. Update your countertops, cabinets, sink, and more through top-rated kitchen remodeling services from Angi. 4609 • [email protected] Purair Advanced ductless fume hood is USP 800 for handling hazardous drugs in health care settings to promote patient and worker safety, as well as environmental protection wherever hazardous drugs (HDs) are prepared. CONTROL The basic control panel panel is standard and includes an On/Off 60H 60V 60H-XL Fume Box-AP60V The optional source capture hose converts the Fume Box to a fume extraction unit with a 6" diameter. The electrical and mechanical components are manufactured by leading global companies, such asFume hoods protect lab users by containing vapours, dusts, and gases generated within the hood. Carbon & HEPA filtered enclosures, also known as filtered fume hoods, are ductless laboratory enclosures that remove hazardous fumes, vapors and particles from the laboratory. Quality and safety cannot be assured in aftermarket or DIY replacement carbon filters. 2K views 6 years ago #EscoLifesciencesGroup. The configurable filtering system above the enclosure can be adapted. 40” Stainless Ductless Fume Hood Product Features Fume & Particulate Removal Model # SS-340-DCH-ST 21221 FM 529 Rd, Cypress, TX 77433 1. 6. com. Locate and Mark the Vent Holes. Interesting and original video coming next weekend!. View All 6. Because filtered air is returned to the room, no Ductless fume hood, sometimes called carbon-filtered enclosure or filtered fume hood, are self-contained, filtered laboratory enclosure that remove hazardous fumes, vapors and particles from the laboratory. FLOW-48-A. By combining HEPA-filtered incoming air with a traditional ‘total exhaust’ hood configuration, clean turbulence-free air blankets the. 00. 9 cm. Ductless fume hoods, or filtered fume hoods, are self-contained, filtered enclosures that remove hazardous fumes, vapors and particulates from the immediate environment. Unlike traditional fume hoods, installation costs are very low and no ductwork is required. Here I show how I built my home-made chemical fume hood for use in gold recovery from electronic scrap. Operators should consider fume inhalation risks and utilize respiratory engineering controls, such as a ductless fume hood or exhaust hood, to. Over time the filters require replacement and oftentimes these filters fail to contain all vapors, thus posing a significant hazard. Next, cut two support beams to the overall length you decided on for the range hood (for me it was 16 inches). Use. . These exhaust hoods are fitted with fans that force the air in a specific direction where it has to pass through several types of carbon. The first step is to cut the materials to the required size. This equipment is designed to provide protection from toxic chemical fumes and is essential in most laboratories as it is the primary method of exposure control. A high capacity air handling system delivers face velocity of 100 fpm. AirClean Systems manufactures ductless fume hoods, chemical workstations, and enclosure cabinets that protect the operator from exposure to toxic vapors, gases, air fumes, and particulate. Advantage: 1. or 0. Since they have a lifespan, they will need to be installed, replaced, and purchased. Safe to use with most types of chemicals especially in commercial or industrial lab applications. Our ductless fume hoods are safe and convenient to. Installing a range hood in the kitchen for the first time involves drilling a hole in the wall, attaching new duct work and adding new wiring if necessary. Ductless Fume Hood. 4. Feature chemical-resistant fiberglass, composite panel liners, Eco-Foil™ air foil and aerodynamic Clean-Sweep™ airflow openings. Products. Features and Specs Balance Fume Hoods. This Series of high-efficiency products is designed to protect the user and the environment from hazardous vapors generated on the work surface. A fume hood is a ventilated enclosure in which gases, vapors and fumes are contained. 995% pure air back to your lab is our promise. View Items to Compare. Amazon. 00. Product Type. FLOW Series Laminar Flow Hood, 24" / 600mm Nominal Width, 115V 60Hz. Tags: Ductless Fume Hood Fume Hoods Health & Safety Product Focus. Model # BCSD130BL. ตู้ดูดควันแบบไร้ท่อ (ductless fume. Fume containment and airflow uniformity meet the requirements of ASHRAE 110‐1995, BS 7258, EN 14175‐3 and. Filter Price. Unlike conventional fume hoods, ductless fume. Hauslane WM-538 Wall Mount. . A system of endless benefits, providing flawless protection throughout the lab and beyond. Fume scrubbing is a different matter. Note: Filters to be ordered separately. This means that: A limited number of different chemicals should be used. Have it assembled within 1 hour of leaving the store. Fotile 30-Inch Under-Cabinet or Wall-Mount Range Hood. Sort By. We like the Broan-NuTone BCSQ130SS Three-Speed Glacier ductless range hood 30 inch as our top pick. Cole-Parmer® FHD-400 Advanced Ductless Fume Hoods with Filte…. 00 $ 2,940. Once the air is drawn in, it moves through a filter called the pre-filter. (Or even newly renovated homes with a sleek, minimalist design. The Protector Echo Filtered Fume Hood requires no ducting and is available in 4', 5', 6' and 8' widths. DIY Projects & Ideas Project Calculators Installation & Services Specials & Offers. Laboratory fume hoods require an exhaust and make-up air system to effectively remove contaminants from the work zone. 799. 7 inches deep, or as small as 3 feet wide x 31. 0656 F/800. 5 Year Warranty on all UL 1805 UniFlow Fume Hoods. Use for locations where outside ventilation cannot be achieved. Hoods from other manufacturers will be considered but must be pre-approved by EHRS. These devices work by using a fan to draw air into a chamber, through one or more filters, and back into the laboratory. Broan-NuTone Ductless Under-Cabinet Range Hood. Warnings are included that manyDuctless Fume Hoods. Once you’ve got the materials precut and sized, the next step is to cut the edges. No installation costs since no ductwork is required. SEE IT. Our ductless fume hoods provide energy savings, safety and convenience and are available in a variety of configurations, including mobile fume hoods and polypropylene fume hoods. Step 6: Cut a Window in the Front Panel. Explore Options. TopAir Ductless Fume Hoods are made of high-quality non-corrosive polypropylene with excellent chemical resistance that regular metal hoods cannot compete with. Ductless Fume Hood. Unlike traditional fume hoods, they require no ducting so they can be moved from lab to. Unlike traditional fume hoods, installation costs are very low and no ductwork is required. The fume hood encloses a work bench area that has a fan unit at the top. Fume hoods protect lab users by containing vapours, dusts, and gases generated within the hood. from Terra Universal, Inc. Light duty enclosures for nuisance vapors, advanced hood systems for hazardous toxic fumes or highly specialized. . Checkout our Fume Hood Selection Guide. Rotary evaporators can release hazardous solvent fumes while using or cleaning the system, or while emptying the solvent trap . Ductless fume hoods have no place in the reactions side of refining. This type of fume hood utilizes carbon or HEPA filtration to protect laboratory personnel from toxic chemical fumes, odors, and particles. quickly becoming a viable alternative to conventional fume hoods. This type of fume hood is quickly becoming a viable alternative to conventional fume hoods due to its modern design, features, and convenience. The Purair SafeSEARCH is a negative pressure containment system or ductless fume hood. 2. 3. Country of Origin: Made in India. Contaminated air passes through the scrubber’s water-washed contact media before being exhausted. A ductless fume hood is a contained working space that uses powerful negative airflow to pull harmful fumes, vapors or particulate away from the operator’s respiratory zone and protects the operator and the environment from exposure. They are available with a variety of HEPA and carbon filters with convenient front access for replacement and an exhaust point for connecting a second filter or an external exhaust. Cole-Parmer FHD-200 Carbon Filter for Acids and Sulfur RK-78900-14. 4. The ductless fume hood is self-contained and does not require venting to the outside. Protector™ XL™ Fume Hoods with By-Pass Block are low velocity and high performance. . The ducted hood uses three and a half times more energy than an average US home per year. e. Benchtop fume hood, depending upon your application, is an economical and compact option to the static fume hoods. A laboratory fume hood is a ventilated enclosure where hazardous materials can be handled safely. Find carbon filters, HEPA filters, biosafety. This ductless design overcomes the two main objections of laminar flow. Application Worksheet. New chemical fume hoods must be equipped with air flow monitoring devices which will alert the user if there is a problem. Limited use NFPA 45 - 7. Purair Basic ductless fume hoods are found in research laboratories, educational facilities, and forensic laboratories throughout the world and are designed to protect the user and the environment from hazardous vapors generated on the work surface. Downsides. View All 8. Ductless fume hoods are designed to protect personnel by filtering out dangerous fumes and vapors so that air can be safely recycled back into the work space in an energy-efficient way. Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture, Race, and Ethnicity Ethics and Philosophy Fashion Food and Drink History Hobbies Law Learning and Education Military Movies Music Place Podcasts and. Add To Cart. Cole-Parmer® FHD-200 Series Standard Ductless Fume Hoods. I have a Captair Smart 391 ductless fume hood, and I haven’t previously used a ductless variety of fume hood. 5 sones sound level. FLOW Series Laminar Flow Hood, 36" / 900mm Nominal Width, 115V 60Hz. 00. In a survey of 247 lab professionals conducted in 2010, Lab Manager Magazine found that approximately 22% of fume hoods are ductless fume hoods. . Biosafety Cabinets (26) Clean Benches (1) 1. NF X 15-211 Ductless fume hoods - Classe I. For ducted fume hood, make sure that the ducting is leak tight and is resistant with the chemicals being handled. Dimensions (L x W x H) 640 x 900 x 1350 mm. The first step to determine the right ductless cabinet for your application is to. Air Cleaners provide a secondary safety. When deciding if you need a. 96″ x 30″ x 42″. Ductless Fume Hoods. Ductless fume hoods are designed to protect personnel by filtering out dangerous fumes and vapors so that air can be safely recycled back into the work space in an energy-efficient way. com 40” DCH provides fume control for various applications. All of our models are UL 1805 Listed & ASHRAE 110 tested to ensure safety. First, assemble a cardboard box and silicone it together. 2. com. Typically used in locations where outside ventilation cannot suffice, a ductless fume hood is a necessity to eliminate high percentages of harmful contaminants to protect users. Animals and Pets Anime Art Cars and Motor Vehicles Crafts and DIY Culture,. Accessories: Activated Carbon Filter - Absorbs small amounts of non-hazardous fumes and odors. 3-0. Ductless fume hoods can be customized to capture a wide variety of chemical families, saving money and resources by allowing more work to be performed with a single fume hood. Aura™ 42, Aura™ 250 and Aura™ 550 Ductless Fume Hood: Gas Phase Carbon: Each for $1,023. Indemnity4 • 4 yr. Portable Fume Hood Portable fume hoods, also known as ductless fume hoods, are movable enclosures with a sash that filters hazardous vapors, particles, and fumes from the lab by use of carbon and/or HEPA filters which can be chemical specific. Fume hoods are designed to provide personnel protection from toxic or volatile chemicals by continuously shifting airflow away from the user and to the work area. 120 6th Street Fort Myers, FL 33907 T 239-489-0024 Toll Free 800-306-0656 F 800-306-0677 5 USER OPERATION MANUAL: Purair Basic Series I . The self-contained assembly maximizes filter. This high-capacity, turnkey fume hood features dual blowers to ensure a safe exhaust flow speed >/= 100 fpm (. Ducted fume hoods require ductwork to channel contaminants out of the lab using a fan mounted outside the building. Sash (Shutter): Counter - Balanced Vertical sash of Polycarbonate (5 mm Thick). com. We specialize in providing laboratory planning solutions for casework, enclosures, showers, and customized project requirements. The exhaust fan is typically stationed at the top of the building and pulls air through the duct work connected to the hood and exhausts it into the atmosphere. Ductless fume hoods are self-contained enclosures that filter air before returning it to the work environment. We have a wide range of chemical fume hoods for our labs, be it an R&D lab, QC lab, educational lab or a third-party testing lab; you are all covered with LabGuard fume hoods. * The front window is foldable acrylic window, and the lower acrylic window has the function of stopping at will. A ductless range hood. • Energy Efficient. $ 10,728. Getting the most out of a fume hood begins with selecting the right one for your application. Ductless Fume Hoods provide protection to both laboratory personnel and the environment from toxic fumes and are quickly becoming a viable alternative to conventional fume hoods. designed for ductless applications, filter the air before returning it to the lab. Over time the filters require replacement and oftentimes these filters fail to contain all vapors, thus posing a significant hazard. +ADD TO LIST. Known for its plug-and-play feature and mobility, Ductless Fume Hood guarantees a hassle-free installation and no lab work interruption. Photo: homedepot. Fume hood filters from Grainger can help protect lab personnel from dangerous airborne toxins. A ductless fume hood can save a lot of money when it comes to new lab buildings. Ductless Fume Hoods- Portable. Photo: homedepot. 5" / 750mm Nominal Width, FSA Filter Saturation Alarm and AUTOCAL Airflow Display, Requires Minimum One ASTM-XXX Main Filter P10-XT-A-ADVP Purair®ADVANCED Ductless Fume Hood, 29. Endeavour™ Ductless Fume Hood - Sliding Sash. One of the questions we often encounter is, whether the choose a traditional ducted fume hood or go for the ductless hoods. Place a particulate-trapping HEPA filter after a carbon filter to help provide exhaust air suitable for cleanroom. This cleaner has been specially formulated for use on laboratory surfaces including, stainless steel, stone/composite bench tops and fume hood sashes. View Items to Compare. To get started with this fume hood, you need to bring the size of the fine. A ducted fume hood might be the better choice if your lab handles a wide range of chemicals, especially those generating hazardous gasses. Help keep your lab employees safe with a ductless fume hood and fume hood filters and other accessories from Grainger. 9. With our expert advice and support ductless fume hoods present an environmentally sensitive solution to personal lab protection. conducted for any ductless fume hood. • Know and check your airflow! For fume hoods, air always goes into the hood, away from the operator. If there are opposing fume hoods, the distance from the aperture should be more than 3 m. Vent Install Type. The carbon filter is sized to fit the specified product model number and configured to optimize airflow across 100% of the filter surface area. The liner is compatible with general chemistry use. Advanced carbon filtration technology offers a safe, high performance alternative. FLOW-36-A. METHOD fume hoods have certain defining features that set them apart from others. The purpose of the fume hood is to contain contaminants and prevent their escape into the laboratory. Offering laboratory safety with full-features at a great value, Esco Ascent™ Opti Ductless Fume Cabinet is among the finest in the industry, designed and. Understanding which hood is right for your laboratory takes experience and an intricate knowledge of the science behind laboratory filtration. The DuraMax vertical laminar flow fume hood is constructed from rugged polypropylene, offering superior compatibility for applications involving strong acids or trace metal analysis. A: Carbon filters are a critical component of a ductless fume hood as they are the adsorbers for any chemical molecule. Range hoods are the most effective way to do this, if your range hood actually moves air out of the kitchen. The system has a MAX 375 CFM rating and a quiet 5. The DuraMax vertical laminar flow fume hood is constructed from rugged polypropylene, offering superior compatibility for applications involving strong acids or trace metal analysis. 32 oz Spray Bottle DOT Info: UN1760, Corrosive…. Fume scrubbing is a different matter. Paramount Ductless Enclosures (also known as ductless fume hoods) use carbon filters to rid the work area of hazardous fumes and vapors. Robust Hood Construction. • Know and check your airflow! For fume hoods, air always goes into the hood, away from the operator. smoke, fume), while activated carbon is designed to better filter odors (i. Stuart points to ductless fume hoods as one innovation. Paramount Ductless Enclosures are self-contained work stations, also known as ductless fume hoods, that use carbon filters to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes. Air inside the enclosures passes through carbon filters, and in some cases additional HEPA particulate filters, before being safely. Polypropylene Ductless Fume Hood - Sliding Sash. Attach the supports together, creating a box frame. Purity is the truest measure of effectiveness. Have lots of options for services including gas, water, air, nitrogen, vacuum and more. 00 $189. They are available with a variety of HEPA and carbon filters with convenient front access for replacement and an exhaust point for connecting a second filter or an external exhaust. Posted July 22, 2022 by sentryair. Ductless designs use airflow and air velocity meters to ensure the hood provides air velocity suitable to the job, while maintaining a safe working environment. Ductless fume hoods recirculate laboratory air after filtering out particulates and fumes, instead of venting contaminants and the large volumes of air containing them. Moderate chemical exposure times should be maintained. Gather A List Of Substances You Use. Then mount the blower motor with a fan guard on top of the box. Get a Quote. emonStration. Gas ranges offer immediate and adjustable heating for cooking needs at a low cost. The dangerous vapours are confined in the enclosure, then are cleaned while going through the active charcoal filter. This is Labconco’s most flexible fume hood. These hoods can be placed onto fixed work surfaces or on mobile stands. Preparing the Fume Hood for WorkDucted Fume Hoods. Attach the damper with screws. They’re appropriate when there’s a potential for being exposed to high volumes of. 8ft COMBO-SASH Hanson USED FUME HOOD W/ CABINETS. 00USD / Each. Our ductless filtering fume hood does not pollute the outside. The tabletop fume hood, like other laboratory fume hoods, is a ventilation system that is designed to filter and/or exhaust gasses, chemical fumes, and vapors. Ductless fume hoods pass contaminated air through filters before returning air to the room. Request for Quote. Build a hood with an appropriately sized blower and add a scrubber to remove emissions in need of scrubbing, like NOx, or the Sulfur Dioxide. The manufacturer label must be affixed on the outside of the hood. The pre-filter starts the process of. The final tip concerns the duct size. Review WorkSafeBC regulations regarding the use of ductless fume hoods 2. Protector. These fume cupboards don’t have a vent, but have a large filter unit mounted on top in front of the fan. FIltraCheck™ App for iPhone and Android to determine carbon filter type and. MSFULLSEA Laminar Flow Hood Mycology Vertical Laminar Flow Hood H-E-P-A Filter Air Flow Clean Bench Workstation for Phone LCD Repair Tissue Culture Seedlings Only 1 H. Labconco has combined its patented*, fully-featured, containment-enhancing Protector® Hood design with Erlab’s GreenFumeHood® (GFH) Filtration Technology to deliver a multi-use fume hood that requires no ducting. Ducted hoods typically require a significant volume of airflow to work properly. . The featured Smart Technology provides a simple & innovative way of communication to quickly see that the hood is operating safely so you can focus your attention on what is most important: your work. General Application Ductless Fume Hoods • Provides Operator Safety and Numerous Features for General Applications • Meets or Exceeds OSHA, ANSI, and Other International Standards 24 “The World’s Most Extensive Selection of Ductless Fume Hoods. The fume hood was a simple build from inexpensive mat. Provides total filtration of toxic gases, fumes, odors, and powders. Name and Email are required. The ductless fume hoods from METHOD provide the user with a secured workspace for the repetitive manipulations of small chemicals quantities. Reorder Filters;All areas where it has been determined that a fume hood is required and a ductless fume hood is desired. e. If you prefer, you may contact us by calling 800-799-4609, or e-mail us at sales@sentryair. Harmful and unpleasant chemical fumes are removed from the controlled environment to facilitate a safe and pleasant work environment using an external fan installed on the roof or on an external wall. Jenis-Jenis Fume Hood Terdapat 2 jenis fume hood yaitu Ducted fume hood dan Ductless fume hood. Esco’s research scientists and engineers, working in con-Purair® Basic ductless fume hoods are designed to provide high level performance features at an affordable price. Activated Carbon Filtration for fumes, odors, non-hazardous chemical vapors. The Thermo Scientific Hyperclean TruAir fume hood product line features filtration technology that creates The Purair ® Basic ductless fume hoods are designed to provide high level performance features at an affordable price. Typically, there are two main types of fume hoods that are utilized in majority: ducted and ductless (or, recirculating) fume hoods. Ductless Fume Hoods- Portable. Indoor/Outdoor. Our ductless fume hoods have built-in airflows across the workstation, exhausting out the contaminated air away from you and recycling them back as clean air. If you prefer, you may contact us by calling 800-799-4609, or e-mail us at sales@sentryair. Ductless Fume Hoods; Laminar Flow Hoods; PCR Laminar Flow Cabinets; Biological Safety Cabinets; Forensic Lab Equipment; Vented Storage Cabinets; Balanced Enclosures; Custom Enclosures; Downflow Workstations; Classroom Demonstration; Total Exhaust; Ceiling Filtration Units; Glove Bags; FILTERS. Here I show how I built my home-made chemical fume hood for use in gold recovery from electronic scrap. Ductless Under Cabinet Range Hood with light and Easy Install System in Black. These enclosures serve as barriers against exposure that could be detrimental to tests or health. A chemical fume hood is a ventilated enclosure used to trap and exhaust vapors, gases, and nanoparticles. The Captair Smart ductless fume hoods are specifically designed to safely protect users when handling chemicals or powders that pose an inhalation risk. Fume hoods are used for ventilation of enclosed workspaces to isolate samples from the user or the environment. Ductless fume hoods cut energy bills by filtering and recirculating heated or cooled air back into the laboratory. Energy Expenditure/ Running Costs: Here ductless hood is a clear. If you prefer, you may contact us by calling 800-799-4609, or e-mail us at [email protected] Hood Design. 00. It is ideally suited for use with non-hazardous contaminants and when flexible access to the equipment in the work. Now that you’ve got. Giving a high protection performance and biological safety, the ductless hood protects the operator from generated gases. The Captair Smart 321 ductless fume hood is designed to protect users during applications that emit harmful vapors/chemical particles. A floor mount fume hood is typically a large stationary equipment enclosed on. Face velocity: 0. Temporarily out of stock. Glacier BCSD1 30-in 300-CFM Convertible Black Under Cabinet Range Hoods Undercabinet Mount. Ductless fume. Aeromech make Fume Exhaust Hood. Ductless fume hoods, Paramount®. It has several advantages over duct fume hoods, such as a plug-and-play feature, mobility, hassle-free installation, and no lab work. Safer to Operate. In ordinary times, keeping the work area and. Fisherbrand™ Walk-In Standard Chemical Fume Hoods are innovative and purpose driven products for the research and healthcare industries. $ 3,384. A ducted fume hood that requires 500 CFM could cost as much as $4,000 USD per year to operate. Start with a point 20 cm from the bottom, followed by one 54cm to the left of the top. The Ductless Fume Cabinet can also be supplied with a modular stand and castors. Call us (800) 251-1505. 3. Conveniently added fume elimination to your lab. DUCTLESS FUME HOOD FEATURES & BENEFITS • DFH are available in 3 standard sizes. AirClean Systems ductless solutions incorporate advanced state-of-the-art microprocessor safety controllers and revolutionary gas phase bonded carbon filters. The Purair Advanced Series ductless fume cupboards are available in 7 standard sizes in metal or polypropylene construction. To add to my previous comment: Open fronted 'duct-less' hoods can under the correct conditions give incredibly high levels of protection. Energy saving LED lighting. Unrestricted front and side access permits applications requiring complex user involvement. 10. Flux is also commonly used in soldering. 00 $ 137. $5,988. Esco ductless fume hoods are independently tested by INVENT‐UK for the ability to filter contaminated air with efficiency and retention capacity as required by the British Standard BS 7989 and French Standard AFNOR NF X 15‐211. Protects the environment by trapping wider variety of chemicals than other carbon filtration methods. Submit Request. Ductless Fume Hoods and Enclosures .