The Bonsai XL 24" x18" Laminar Flow Hood gives you the space you need for big projects and grows! Backed by the experts in the Bio-pharmaceutical industry, the HEPAFLOW-24 is designed from the ground up for the serious mushroom enthusiast to create a 99.99% sterile work space. Our Bonsai XL flowhood has 200% more working area than our 12"x12". Stop wasting money on spores and never buy another spore syringe again! Whether you are a beginner or advanced grower you can do it all!

Bonsai XL Flow Hood make it possible to:

  • Perform Grain to Grain transfers
  • Work with 2 people
  • Cloning, isolating perfection
  • Make your own spore syringes
  • Work with agar and more!

  • Each Flow hood includes/features:

  • Simple 3-5 Minute Assembly. (Ships in two boxes)
  • Horizontal Laminar Air Flow
  • Made with 3/4" Cabinet Grade Maple Plywood (33% thicker than the competition) 
  • 110V with 10' Power cord and On/Off switch
  • Pre-Filter with removable housing
  • Custom CNC Front Removable Face Plate
  • Top of the line Dayton Blower
  • Replaceable 24"x18" 99.99% HEPA Micron Filter designed to last 3-5 years of normal use
  • User's Guide that covers sterile technique, how to make your own spore syringes, work with agar, transfer grain and more!
  • Half the price of other vendors PLUS Free Shipping!
  • 1 Year full parts and labor warranty
  • Overall dimensions are 25.5" Wide x 16.75" Deep x 33" high, weighing in at 77 pounds assembled

    Retail: $1,149.00
    Price: $1,079.00
    You Save: $70.00 (6.1%)
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      Item #: FLX
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      The next BIG thing is here! The Bonsai XL 24" x18" Laminar Flow Hood. Backed by the experts in the Bio-pharmaceutical industry, the HEPAFLOW-24 is designed from the ground up for the serious mushroom enthusiast to create a 99.99% sterile work space. Our Bonsai XL Flowhood has 200% more working area than our 12"x12". Stop wasting money on spores and never buy another spore syringe again! Whether you are a beginner or advanced grower you can do it all!

      Say hello to the endless possibilities a Laminar Flow Hood brings to this hobby!  The HEPAFLOW-24 is a laboratory grade Laminar Flow Hood which combines a 165 cubic foot per minute Dayton blower and a pre-scanned 24"x18" Ultra-Micron HEPA filter rated at 99.99% efficient at 0.3 microns.  The fan filter combination produces 175-200 feet per minute down flow which is above the standard of laboratory and clean room use. This Flowhood was designed by experts in clean room technology and passes all certifications for use in government and professional spawn laboratories.

      Whether you are a beginner or advanced grower you can now:

    • Make your own spore syringes
    • Easily work with Agar plates to inoculate any substrate
    • Inoculate Jars, bags etc contaminate free
    • Transfer colonized mycelium from one bag or Jar to another!
    • Learn Cloning, isolating, and more!
    • Each Flowhood includes/features:

    • Simple 3-5 Minute setup & Assembly. (4 screws)
    • Pre-wired and tested by a certified electrician.
    • Pre-Filter & Cabinet included
    • Top of the line Dayton Blower (5 year warranty)
    • Horizontal Laminar Air Flow@ 175-200 CFM
    • Made with 3/4" Cabinet Grade Maple Plywood (33% thicker than the competition)
    • 110V with On/Off switch
    • Replaceable 99.99% HEPA Micron Filter designed to last 3-5 years of normal use
    • User's Guide that covers sterile technique, how to make your own spore syringes, work with agar, transfer grain and more!
    • Half the price of other vendors PLUS Free Shipping!
    • Midwest's User's Guide that covers sterile technique, how to make your own spore syringes, work with agar, transfer grain and more!
    • 1 Year full parts and labor warranty (5-year manufacturer Blower warranty) 
    • Also available in Natural Clear coat finish for $1149.00 (7-10 Day lead time)

    • How does a flowhood work with mushroom growing?

      This model is a horizontal flowhood which creates a low velocity air flow that blows toward you. This air is super filtered and is 99.99% sterile. It can be used in any environment for many different things. The sterile moving air allows you to work in the space and open up substrate jars, bags, transfers, make spore syringes, work with agar plates and much more. If you ever experienced mold from inoculations, this will eliminate that.

      March/April Limited Promotion: Purchase a Bonsai Flowhood and Save $20.00 on a Bonsai Stainless Steel Workspace Riser. Add the Riser to cart to see new price.

      *Flowhoods are not eligible for any coupon codes or discounts at this time.

      Build Specifications and Features

      Motor and Electrical Connections:

      Blower Fan: Dayton

      Voltage: 120v to ground

      Connection: 14/2 wire shielded in metal clad conduit (mc).

      Switch: Single pole single throw 120v with ground.

      Power cord: 16 gauge with ground.

      Filter:

      Minpleat HEPA

      Rating: 99.997 @ 0.3 micron

      Pressure drop: 0.59 @ 100 cm

      Construction:

      Material: 3/4" birch or Maple plywood top cabinet grade.

      1 Piece CNC machined removable front trim cover

      All wood screws are #8 2" and are installed with a countersink to prevent splitting.

      1/4 20 machine screws with washer and nut secure the motor to the fan box - this reduces vibration.

      Threaded metal inserts prevent stripping the plywood frame when changing the filter.

      100% silicone caulking used on interior joints to prevent air leakage.

      Returns/Exchange Policy on Bonsai Flowhoods

      We are happy to accept returns on any un-opened flowhoods. Once the box is open flowhoods are exchange only. We are happy to help in replacing any shipping damage.

      Overall Customer Rating of 21 Reviews:
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      Great Product

      Rating:
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      Pros:
      Cons:
      Great product, very fast shipping only took a couple days. Easy to assemble and high quality, worth the extra to have one professionally put together

      Great purchase

      Rating:
      review-star review-star review-star review-star review-star
      Pros:
      • Quick shipping and easy to setup
      Cons:
      • Pricy but well worth the convenience
      I've been using this hood for awhile every one of my projects have been coming out clean.

      Flowhood

      Rating:
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      Pros:
      • Sturdy packaging
      • Fast shipping
      • Easy set up
      • Price
      Cons:
      • None
      Amazing product. Just get it if you having second thoughts.

      Very Good

      Rating:
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      Pros:
      Cons:
      Quick shipping.
      Easy to deal with

      Glad I bought it

      Rating:
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      Pros:
      Cons:
      Went back and forth between building my own or buying an already assembled flow hood. Forums and youtube will tell you"Building is cheaper." After pricing out wood and fans, the most you'll save is like $200 building one of this size. Also, who wants to spend their weekend at the hardware store? Sounds not fun.

      Before I bought the flow hood I felt like a mold farmer. Since I have had this hood, 200+ mushroom bags have been inoculated and not a single one has been contaminated. Anyways, shipping was fast and setup was even faster. The quality is solid.