A sterile environment is essential to growing healthy, high-quality mushrooms. Bring your growing space to the next level with a Bonsai flow hood!

Our Bonsai filtration systems feature HEPA filters to ensure a clean, sterile workspace and avoid cross-contamination from stray spores in the air. Each flow hood provides adequate space for larger growing projects and is perfect for beginners and expert growers alike.

Backed by biopharmaceutical experts, all our Bonsai filtration systems provide a 99.99 percent sterile workspace. Improve your growing skills with our Bonsai horizontal laminar flow hood; you’ll cultivate your mushrooms the way the professionals do.

These Bonsai filtration systems will last you for years to come. When it’s time to perform routine maintenance, pick up a replacement HEPA filter courtesy of Midwest Grow Kits.

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Bonsai XL 24" X 18" 99.99% HEPA Horizontal Laminar Flow Hood - Version 2.0 Bonsai XL flow hood, 99.99% HEPA filter, horizontal laminar flow hood, HEPA flow hood 24x18, mushroom lab equipment, sterile airflow hood, laminar flow hood for mushrooms, cleanroom HEPA hood, HEPA filtration system, laminar flow hood version 2.0, mycology flow hood, mushroom growing tools, laboratory flow hood.
Retail: $899.99
Price: $849.99
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(24)
Availability: In Stock
Item #: FLX -

    ON SALE! Introducing the new Bonsai XL 24" x 18" Laminar Flow Hood from our 2.0 Series, the ultimate solution for serious mushroom enthusiasts and large-scale projects. This top-of-the-line flow hood is expertly crafted to provide a 99.99% sterile workspace, essential for successful growth and cultivation. The Bonsai XL is backed by the expertise of leaders in the bio-pharmaceutical industry, ensuring reliability and efficiency. With its substantial size, it's perfectly suited for handling big...

    Bonsai 99.99% HEPA Laminar Flow Hood Clear Coat + Extra Filter Bundle Laminar,Flow Hood,Clean,Bench,HEPA
    Retail: $439.00
    Price: $399.99
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    (4)
    Availability: In Stock
    Item #: FL1B -

    (NEW Extra Filter Bundle!) Say hello to the endless possibilities a Laminar Flow Hood brings to this hobby!  The HEPAFLOW-12 is a personal and portable Horizontal Laminar Flow Hood which combines a 135 cubic foot per minute fan and a 12"x12" Ultra-Micron HEPA filter rated at 99.99% efficient at 0.3 microns.  The fan filter combination produces 200 feet per minute down flow which is above the standard of laboratory and clean room use. Whether you are a beginner or advanced grower you...

    Bonsai 99.99% HEPA Horizontal Laminar Flow Hood White Laminar,Flow Hood,Clean,Bench,HEPA, BONSAI,
    Retail: $449.00
    Price: $399.00
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    (54)
    Availability: In Stock
    Item #: FL1 -

    Say hello to the endless possibilities a Laminar Flow Hood brings to this hobby!  The HEPAFLOW-12 is a personal and portable Horizontal Laminar Flow Hood which combines a 135 cubic foot per minute fan and a 12"x12" Ultra-Micron HEPA filter rated at 99.99% efficient at 0.3 microns.  The fan filter combination produces 200 feet per minute down flow which is above the standard of laboratory and clean room use. Whether you are a beginner or advanced grower you can now: Easily work with...

    Bonsai 99.99% HEPA Horizontal Laminar Flow Hood with Natural Clear Coat Finish, providing a sterile, contamination-free workspace for mushroom cultivation and laboratory applications.
    Retail: $399.99
    Price: $349.99
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    (4)
    Availability: In Stock
    Item #: FL9 -

      Bonsai's new Flat-Ship 12" Flowhood saves shipping costs and we pass that savings to you! Easy assembly in 10 minutes or less! With all the hardware integrated, simply insert the locking screws and tighten each side!  Say hello to the endless possibilities a Laminar Flow Hood brings to this hobby!  The HEPAFLOW-12C is a personal and portable Horizontal Laminar Flow Hood which combines a 135 cubic foot per minute fan and a 12"x12" Ultra-Micron HEPA filter rated at 99.99% efficient at...

      Bonsai 4 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V  Bonsai FFU Flow Hoods, Mushroom Cultivation Equipment, Laboratory Air Filters, Sterile Workspace Solutions, Home Mushroom Cultivation, Commercial Mushroom Growing Equipment, High-Power Laboratory Equipment, Affordable Lab-Grade Tools, Contamination-Free Research, Efficient Mushroom Cultivation, HEPA Filter Air Cleaners, Bonsai 3x2ft Flow Hood.
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      Retail: $1,299.99
      Price: $949.00
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      (1)
      Availability: In Stock
      Item #: FFU4 -

        Maximum workspace, minimum depth! A standout feature of the Bonsai 4'x2' FFU is its compact 14" depth, ensuring it fits comfortably on a standard-sized worktable. Additionally, this model boasts an upgraded fan motor, delivering increased airflow and an extended operational lifespan. FFU Flow Hoods, also known as Fan Filter Units, are expertly engineered air filtration systems for laboratories, meticulously designed to support sterile operations. Initially conceptualized for the creation of...

        Bonsai 2 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V  Bonsai FFU Flow Hoods, Mushroom Cultivation Equipment, Laboratory Air Filters, Sterile Workspace Solutions, Home Mushroom Cultivation, Commercial Mushroom Growing Equipment, High-Power Laboratory Equipment, Affordable Lab-Grade Tools, Contamination-Free Research, Efficient Mushroom Cultivation, HEPA Filter Air Cleaners, Bonsai 3x2ft Flow Hood.
        Retail: $699.99
        Price: $649.99
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        (4)
        Availability: In Stock
        Item #: FFU2 -

          (ON SALE!) + SHIPS FREE IN THE CONTINENTAL USA! Fan Filter Units (FFUs), originally engineered for constructing clean rooms in commercial labs, are now revolutionizing sterile work environments. Initially mounted in walls or ceilings, these units have been redesigned as standalone, all-in-one solutions, gaining traction within the mycology community. They present a cost-effective alternative to the traditional laminar flow hood. The 2x2ft model not only provides ample workspace but also...

          Bonsai 3 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V Bonsai FFU Flow Hoods, Mushroom Cultivation Equipment, Laboratory Air Filters, Sterile Workspace Solutions, Home Mushroom Cultivation, Commercial Mushroom Growing Equipment, High-Power Laboratory Equipment, Affordable Lab-Grade Tools, Contamination-Free Research, Efficient Mushroom Cultivation, HEPA Filter Air Cleaners, Bonsai 3x2ft Flow Hood.
          Retail: $999.99
          Price: $799.99
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          (4)
          Availability: In Stock
          Item #: FFU3 -

            **FALL SALE** + SHIPS FREE IN THE CONTINENTAL USA! FFU Flow Hoods or (Fan, filter Units) are specially designed laboratory air filters for sterile work applications. FFU's were originally designed to create clean rooms and installed in the wall or ceilings of commercial labs. Today, these all-in-one units are gaining popularity in the mycology community as a lower cost option for a traditional laminar flowhood. The 3x2ft model offers a generous workspace and strikes an excellent balance in...

            Bonsai DIY 24" X 18" XL Flow Hood HEPA Filter, Blower Kit  Laminar,Flow Hood,Clean,Bench,HEPA,blower,dayton,fasco,fan
            Price: $379.00
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            (2)
            Availability: In Stock
            Item #: FL7 -

              Whether you're a hobbyist, professional, or enthusiast with woodworking or building skills, this filter and blower kit is an ideal solution. It offers a blend of efficiency, ease of use, and reliable performance, empowering you to create a controlled environment tailored to your specific needs. Make your laminar flow hood project a reality with confidence and ease! Choose the filter & fan bundle or you can also purchase the blower motor by itself.  In stock & ready to ship! ...

              Bonsai Commercial Series 48" X 24" 99.99% HEPA Horizontal Laminar Flow Hood 4x2 Laminar,Flow Hood,Clean,Bench,HEPA,4x2,48x24
              Retail: $2,199.00
              Price: $1,699.00
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              (6)
              Availability: In Stock
              Item #: FLC -

              ON SALE LIMITED TIME! Since 2019 Bonsai Filtration has built over 4,000 laminar flow hoods for amateurs and professionals in the mycology industry. Bonsai has also built many large custom flow hoods in all different sizes for some of the leading research companies. We have received many requests for a large commercial unit and Bonsai has come through with their flagship 4'x2' laminar flow hood. The Bonsai Commercial 48"x24" flow hood is the most popular size for any commercial or home lab with...

              Bonsai Flow Hood 99.99% HEPA Replacement Filters (Regular, XL or Commercial) Laminar,Flow Hood,Clean,Bench,HEPA
              Retail: $109.00
              Price: $93.00
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              (7)
              Availability: In Stock
              Item #: FL2 -

                Bonsai HEPAFLOW-12, Bonsai HEPAFLOW-XL & All the FFU Replacement HEPA Filters. The rated filter life is 3,000 hours or 3-5 years of normal use. Dirty environments can reduce the lifespan. Select the 12"X12" | 24"x18" | 36"x24" | 48"x24" Commercial or 48x24" FFU 99.99% at 0.3 micronResistance 0.8 Inches Designed for easy filter replacements ...

                Bonsai Mini 3D Elevated Workspace Platform Table Risers (Select a Size) 3D-printed platform risers, laminar flow hood risers, sterile workspace tools, lab equipment, mycology tools, easy to clean risers, agar plate risers, jar lid risers, syringe risers, 3D-printed lab tools, vibrant color lab tools, laminar flow accessories, mycology lab accessories, mushroom cultivation tools, lab risers for clean airflow.
                Price: $8.99
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                (1)
                Availability: In Stock
                Item #: FL3D -

                      Elevate your sterile workspace with our 3D-printed platform risers, designed to raise various objects into the clean airflow of your laminar flow hood. Elevating your agar plate gives you a more ergonomic stance when performing delicate tasks. Perfect for elevating agar plates, jar lids, syringes, and more, these versatile risers help you maintain sterility while providing easy access to your materials. Available in two sizes or a set. The small 4" round is ideal for a single...

                  Bonsai Premium 12" Stainless Steel Elevated Workspace Platform Table Riser Work Surface Riser, Sterile laboratory work, Elevated work surface, Laminar flow hood, Comfortable laboratory work, High-quality materials, Durable stainless steel, Productive laboratory environment, Backaches relief, Convenience, Laboratory equipment
                  Price: $55.99
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                  (2)
                  Availability: In Stock
                  Item #: FLSR -

                    Introducing the ultimate solution for comfortable and sterile laboratory work - the Work Surface Riser! A piece of equipment that raises your work up a few inches to work in front of a laminar flow hood is commonly called a "work surface riser" or simply a "riser." This equipment is designed to provide a raised platform for a work surface, allowing the user to work at a more comfortable height while maintaining the sterile environment provided by the laminar flow hood. The riser is made from...