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Most failed grows start with contamination during transfers. This collection covers the gear that keeps your work area clean: Bonsai H14 HEPA flow hoods and fan filter units, a fold-flat still air box, risers that lift your work into the clean airflow, meters that check your air, and Eco-Cleanse for wiping down surfaces.


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Bonsai HEPAFLOW-12C H14 HEPA Laminar Flow Hood + Extra Filter Bundle
Retail: $439.00
Price: $389.99
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(5)
Availability: In Stock
Bonsai Filtration & Manufacturing Item #: FL1B -

    This bundle pairs the Bonsai HEPAFLOW-12C personal laminar flow hood with a second 12" x 12" H14 HEPA filter, so you have a spare on the shelf the day your first filter is due. Same hood, same performance, no waiting on a replacement order when it's time to swap. The hood pushes air from a 135 CFM blower through an H14 HEPA filter at more than 200 feet per minute, giving you a clean curtain of air for agar, syringes and grain work on a desk-sized footprint. 2 filtersInstalled + spare H14...

    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: $349.99
    Price: $339.99
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    Bonsai Filtration & Manufacturing Item #: FL9 -

      The Bonsai HEPAFLOW-12C is a personal laminar flow hood: a compact cabinet that blows a steady curtain of HEPA-filtered air across your work, so agar, syringes and grain stay clean while they're open. It's the hood most home growers start with, and the one that usually ends the cycle of contaminated jars that comes with working in open air. A 135 CFM blower pushes air through a 12" x 12" H14 HEPA filter at more than 200 feet per minute. The whole unit sits on a desk or shelf and goes together...

      Bonsai XL 24 x 18 inch H14 HEPA Laminar Flow Hood, Version 2.0
      Retail: $899.99
      Price: $879.99
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      Bonsai Filtration & Manufacturing Item #: FLX -

        The Bonsai XL 2.0 is the step up from a personal hood: a benchtop laminar flow hood with a 24" x 18" H14 HEPA filter that puts three times the clean area of a 12" x 12" unit in front of you. That's enough room to lay out a full set of agar plates, work a row of grain jars or share the bench with a second person. It ships flat with pre-finished, machine-cut panels and Turn-N-Click fasteners, so it goes together in about 15 minutes without tools. H14 HEPA99.995% at 0.3 micron 24" x 18"Filter...

        Bonsai 2 x 2 ft H14 HEPA Fan Filter Unit (FFU), 120V
        Retail: $699.99
        Price: $559.99
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        (5)
        Availability: Out of Stock
        Bonsai Filtration & Manufacturing Item #: FFU2 -

          The Bonsai 2' x 2' fan filter unit is the compact way to get HEPA-filtered air over your bench. It's the smallest FFU in the Bonsai lineup, sized for home labs and growers moving up from a still air box, and it delivers ISO Class 5 clean air without the footprint of a full cabinet hood. Every Bonsai fan filter unit pairs a true H14 HEPA filter with a backward-curved aluminum blower, a washable magnetic pre-filter and a 20-gauge powder-coated steel housing. It plugs into a standard 120V outlet...

          Bonsai 3 x 2 ft H14 HEPA Fan Filter Unit (FFU), 120V
          Retail: $999.99
          Price: $829.99
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          (4)
          Availability: Out of Stock
          Bonsai Filtration & Manufacturing Item #: FFU3 -

            The Bonsai 3' x 2' fan filter unit is the middle of the Bonsai FFU lineup: a 3' wide curtain of HEPA-filtered air for grain transfers, agar and inoculation, in the same slim 14" deep housing as the 2' x 2'. Every Bonsai fan filter unit pairs a true H14 HEPA filter with a backward-curved aluminum blower, a washable magnetic pre-filter and a 20-gauge powder-coated steel housing. It plugs into a standard 120V outlet and sits on an ordinary table, since the housing is only 14" deep. 3' x 2'Filter...

            Bonsai 4 x 2 ft H14 HEPA Fan Filter Unit (FFU), 120V
            Retail: $1,299.00
            Price: $1,149.99
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            (4)
            Availability: Out of Stock
            Bonsai Filtration & Manufacturing Item #: FFU4 -

              The Bonsai 4' x 2' fan filter unit is the largest FFU Bonsai makes, with the widest clean-air work area in the lineup and enough airflow, up to 160 FPM, to pressurize a small clean room or grow space with HEPA-filtered air. Every Bonsai fan filter unit pairs a true H14 HEPA filter with a backward-curved aluminum blower, a washable magnetic pre-filter and a 20-gauge powder-coated steel housing. It plugs into a standard 120V outlet and sits on an ordinary table, since the housing is only 14"...

              Bonsai Commercial Series 48 x 24 inch H14 HEPA Laminar Flow Hood
              Retail: $2,199.00
              Price: $1,899.00
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              Availability: In Stock
              Bonsai Filtration & Manufacturing Item #: FLC -

              The Commercial Series is Bonsai's flagship 4' x 2' horizontal laminar flow hood, built for labs that have outgrown a still air box or a smaller hood. A 48" x 24" H14 HEPA filter pushes a wide, even curtain of clean air across the bench, so you can run grain-to-grain transfers, pour agar and work two people side by side. Bonsai has built over 4,000 flow hoods since 2019, including custom units for research labs. Each Commercial Series hood leaves the shop 99% assembled and wired by a certified...

              Bonsai DIY 24 x 18 inch XL Flow Hood Kit: H14 HEPA Filter & Blower
              Price: $379.00
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              (2)
              Availability: Out of Stock
              Bonsai Filtration & Manufacturing Item #: FL7 -

                A laminar flow hood is really two parts: a HEPA filter and a blower sized to push air through it evenly. The cabinet around them is just a box. This kit gives you the two hard parts from Bonsai, a 24" x 18" H14 HEPA filter and a matched centrifugal blower, so you can build an XL hood that fits your space and your budget. Choose the blower and filter bundle for a complete build, or the blower only if you already have a filter. The blower comes pre-wired with a power cord and in-line switch, so...

                Myco Labs Large Still Air Box (SAB) Sterile Workstation
                Spotlight!
                Retail: $39.99
                Price: $29.99
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                Myco Labs Item #: SAB2 -

                  A still air box is the simplest way to get a clean workspace for agar, liquid culture and inoculation without buying a flow hood. This large, fold-flat SAB gives you a 30" x 20" x 21" enclosed work area with elastic arm ports: air inside stays still, so airborne spores and dust are far less likely to land on open plates, jars and bags. It needs no power or fan, sets up in minutes, and folds down into its own storage case. A pair of sterilized nitrile gloves and a 1 oz sample of Myco Labs...

                  Bonsai Mini 3D Flow Hood Workspace Risers (Set of 2)
                  Retail: $24.99
                  Price: $19.99
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                  Availability: In Stock
                  Bonsai Filtration & Manufacturing Item #: FL3D -

                    The Bonsai Mini 3D risers started in our own lab, made to ease wrist strain during long agar transfer sessions. Techs quickly started using them to hold petri dishes, liquid culture lids, syringes and scalpels up in the clean airflow, and they became a flow hood staple. The set includes both sizes: a single-plate riser and a dual-plate riser, 3D printed locally by Bonsai in dual-color PLA. 2 risersPer set 4.1"Single, round 8.2" x 4.1"Dual riser 2.7"Tall PLALocally 3D printed Why growers use...

                    Bonsai Premium Stainless Steel Flow Hood Risers, 12 inch (Set of 2)
                    Price: $55.99
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                    Availability: In Stock
                    Bonsai Filtration & Manufacturing Item #: FLSR -

                      Work sitting flat on the bench is at the bottom edge of a flow hood's clean airflow. This stainless steel riser lifts your plates, jars and tools 2 inches up into the clean air zone, so your work sits squarely in the filtered air. The set includes two 12" food-grade stainless steel risers and joining clips. Use one on its own, or clip both together into a 24" platform when you need more room. Stainless steel is easy to disinfect between sessions and stands up to alcohol, heat and daily use. 2...

                      Myco Labs CO2 Detector and 6-in-1 Air Quality Meter
                      Retail: $44.99
                      Price: $32.99
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                      Availability: In Stock
                      Myco Labs Item #: C06 -

                        A compact CO2 detector and 6-in-1 air quality meter for grow rooms, fruiting chambers and labs. Along with CO2 from 400 to 5000 PPM, it tracks TVOC, HCHO and PM2.5, so you can see when your space needs more fresh air. It runs on USB-C or a built-in 1200mAh battery, and at 9 x 7 x 3.4 cm it sits anywhere without taking up grow space. The color backlit screen changes color to flag big changes in air quality. 400-5000PPM CO2 6-in-1Monitoring USB-COr 1200mAh battery Color LCDBacklit ~184 gWeight...

                        Myco Labs Eco-Cleanse Anti-Bacteria and Mold Inhibitor Spray Concentrate
                        Retail: $9.99
                        Price: $5.99
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                        Availability: In Stock
                        Myco Labs Item #: ML2 -

                          Myco Labs Eco-Cleanse is a non-toxic, odor-free cleaning concentrate made for mycology. Use it to wipe down still air boxes, work surfaces and grow areas without harsh fumes or residue that can interfere with your cultures. Because it is a concentrate, you mix only what you need at the strength the job calls for. A 2 oz bottle makes up to 64 oz of ready-to-use spray. Choose the 2 oz, 8 oz or 32 oz size. 2 / 8 / 32 ozBottle sizes Up to 32xDilution Non-toxicFormula Odor-freeNo fumes...

                          SteriWave PRO Portable UV-C Light Sterilizer Wand, Rechargeable UV-C sterilizer, UV wand, uv-c light, lab sterilization
                          Retail: $37.99
                          Price: $27.99
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                          Availability: In Stock
                          Myco Labs Item #: UVC -

                            The SteriWave PRO is a cordless UV-C wand for spot-sterilizing your work area. It emits 254.3 nm UV-C light, the germicidal band that breaks down the DNA of mold spores and bacteria, and the manufacturer rates it at 99.99% kill on treated surfaces. A 15.25 in wand covers a wide pass, a rechargeable battery charges over USB, and a tilt sensor shuts it off when it is not pointed at a surface. 254.3 nmUV-C wavelength 15.25 inWand length USBRechargeable Auto-offTilt sensor TimerAdjustable Where it...

                            60W UV-C Room Sterilizing Lamp with Radar Shut-Off and Remote Timer UV-C room sterilizer, uv lamp, germicidal lamp, lab sterilization
                            Retail: $69.99
                            Price: $54.99
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                            Availability: In Stock
                            Myco Labs Item #: UVR1 -

                              This 60W UV-C lamp treats a whole small room at once. It throws 254 nm germicidal light in a full 360 degrees across rooms up to about 8 x 8 ft, reaching exposed surfaces and the air. Set the timer with the remote, leave during the 30-second countdown, and a radar sensor shuts the lamp off if anyone walks in. A pair of UV-rated safety glasses is included. 60WUV-C output 254 nmWavelength 8 x 8 ftRoom coverage 15/30/60Minute timer RadarMotion shut-off Why growers use a room unit Whole-room...

                              Bonsai Lab Guard Laser Particle Meter, PM1.0, PM2.5 and PM10
                              Retail: $79.99
                              Price: $59.99
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                              Bonsai Filtration & Manufacturing Item #: BLG1 -

                                You can't see whether a flow hood is doing its job. The Bonsai Lab Guard gives you a number instead of a guess: a laser particle sensor that counts particles down to 0.3 micron and shows PM1.0, PM2.5 and PM10 live, along with temperature and humidity. Hold it in the air coming off your filter and you'll know in seconds whether that air is clean. 0.3 micronSmallest particle PM1.0 / 2.5 / 10Read together Temp + RHAlso displayed 6 levelsColor-coded USB-CPowered What it does in a mushroom lab...

                                Bonsai H14 HEPA Replacement Filters for Flow Hoods & FFUs
                                Retail: $109.00
                                Price: $93.00
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                                Bonsai Filtration & Manufacturing Item #: FL2 -

                                  These are genuine Bonsai H14 HEPA filters, the same filters that ship installed in Bonsai laminar flow hoods and fan filter units. Pick the size for your unit from the menu and drop it in to bring your clean air back to full strength. Every size is a true H14 HEPA filter rated 99.995% efficient at 0.3 micron. A HEPA filter wears out two ways: it slowly loads with dust as it runs, and its media and gasket age with time. When airflow drops or an open agar plate starts picking up growth, it's...

                                  Build a clean workspace

                                  NeedGear
                                  Clean airflowBonsai flow hoods and FFUs, or a still air box to start
                                  Work in the clean zoneStainless steel risers and mini risers
                                  Check your airThe Lab Guard particle meter and the CO2 detector
                                  Keep it cleanEco-Cleanse concentrate and replacement HEPA filters

                                  Common questions

                                  Flow hood or still air box?

                                  A still air box limits air movement and works for occasional transfers. A flow hood gives you continuous clean air and more room, which matters as you do more work.

                                  How do I know my flow hood is working?

                                  A particle meter like the Lab Guard reads the air in front of the filter, so you can check it with a number instead of guessing.

                                  How often should I replace a HEPA filter?

                                  Plan on about 24 months for hobby use, 12-18 months for a busy lab, and 6-12 months for heavy use in a dusty space.