{"product_id":"bonsai-2-x-2-ft-99-99-hepa-flowhood-fan-filter-unit-ffu-120v","title":"Bonsai 2 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120V","description":"\u003cdiv id=\"bonsai-ffu-2x2\"\u003e\n  \u003cstyle\u003e\n    #bonsai-ffu-2x2 { line-height: 1.6; color: #222; }\n    #bonsai-ffu-2x2 h2 { font-size: 1.5em; margin-top: 1.6em; margin-bottom: 0.5em; padding-bottom: 6px; border-bottom: 2px solid #e5e5e5; }\n    #bonsai-ffu-2x2 h3 { font-size: 1.15em; margin-top: 1.2em; margin-bottom: 0.4em; color: #1a6b3a; }\n    #bonsai-ffu-2x2 p { margin: 0 0 1em; }\n    #bonsai-ffu-2x2 ul { padding-left: 20px; margin: 0.5em 0 1.2em; }\n    #bonsai-ffu-2x2 li { margin-bottom: 0.5em; }\n    #bonsai-ffu-2x2 a { color: #1a6b3a; text-decoration: underline; }\n    #bonsai-ffu-2x2 a:hover { color: #0e4423; }\n    #bonsai-ffu-2x2 table.spec-table { width: 100%; border-collapse: collapse; margin: 0.5em 0 1.5em; font-size: 0.97em; }\n    #bonsai-ffu-2x2 table.spec-table th { text-align: left; background: #f2f5f2; padding: 10px 14px; border-bottom: 2px solid #1a6b3a; font-size: 1.05em; color: #1a4023; }\n    #bonsai-ffu-2x2 table.spec-table td { padding: 9px 14px; border-bottom: 1px solid #e8e8e8; vertical-align: top; }\n    #bonsai-ffu-2x2 table.spec-table td:first-child { font-weight: 600; width: 42%; color: #333; }\n    #bonsai-ffu-2x2 table.spec-table tr:nth-child(even) td { background: #fafbfa; }\n    #bonsai-ffu-2x2 .ffu-callout { background: #f2f5f2; border-left: 4px solid #1a6b3a; padding: 14px 18px; margin: 1.2em 0; border-radius: 4px; }\n    #bonsai-ffu-2x2 .ffu-callout p:last-child { margin-bottom: 0; }\n    #bonsai-ffu-2x2 .video-wrap { max-width: 900px; margin: 16px auto; }\n  \u003c\/style\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eBonsai 2 × 2 ft HEPA Fan Filter Unit (FFU)\u003c\/strong\u003e is a professional, cleanroom-grade \u003cstrong\u003efan filter unit for mushroom cultivation\u003c\/strong\u003e and sterile lab work — an affordable, space-saving alternative to a full laminar flow hood. It delivers true HEPA-filtered laminar airflow for agar work, grain jar and spawn bag inoculation, liquid culture, tissue culture, and any task that demands a clean-air workspace.\u003c\/p\u003e\n\n  \u003cp\u003eUnlike low-cost FFUs that cut corners with plastic blower assemblies and thin housings, every Bonsai FFU is engineered with premium upgraded components for better durability, quieter operation, longer service life, and more consistent airflow. With a shallow 14\" depth and an integrated high-performance blower, it provides ISO Class 5 \/ Class 100 clean air without the bulk or cost of a traditional flow hood cabinet.\u003c\/p\u003e\n\n  \u003cdiv class=\"ffu-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eFFU or full laminar flow hood?\u003c\/strong\u003e For most home growers, this FFU works as a complete flow hood solution. If you want to compare both options before you buy, read our \u003ca href=\"https:\/\/www.midwestgrowkits.com\/blogs\/news\/laminar-flow-hood-or-ffu-whats-the-difference-and-which-one-should-you-buy\"\u003eLaminar Flow Hood vs FFU guide\u003c\/a\u003e — we built and tested both to show exactly where each one shines.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003ePremium Upgrades That Set Bonsai FFUs Apart\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUpgraded Aluminum Centrifugal Fan\u003c\/strong\u003e – A durable backward-curved aluminum blower wheel instead of the cheap plastic fans found in most competing FFUs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty 20-Gauge Powder-Coated Aluminum Housing\u003c\/strong\u003e – A custom white powder-coated frame built for long-term durability and a professional cleanroom appearance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMagnetic Washable Electrostatic Pre-Filter\u003c\/strong\u003e – A reusable magnetic pre-filter that extends HEPA filter life and never needs replacement under normal use.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTrue H14 HEPA Filtration\u003c\/strong\u003e – Certified 99.995% filtration efficiency at 0.3 microns for ISO Class 5 \/ Class 100 clean-air performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Laminar Airflow\u003c\/strong\u003e – Designed specifically for sterile laboratory and mycology applications requiring clean, even airflow.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended 18-Month Warranty\u003c\/strong\u003e – Backed by an industry-leading warranty for peace of mind and long-term reliability.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhat You Can Do With This FFU\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003ePerform \u003cstrong\u003eagar pours and transfers\u003c\/strong\u003e in a broad clean-air workspace\u003c\/li\u003e\n    \u003cli\u003eInoculate \u003cstrong\u003egrain jars, spawn bags, and substrates\u003c\/strong\u003e with reduced contamination risk\u003c\/li\u003e\n    \u003cli\u003eHandle \u003cstrong\u003eliquid culture work\u003c\/strong\u003e in a professional sterile environment\u003c\/li\u003e\n    \u003cli\u003eUpgrade from a still air box to \u003cstrong\u003eactive HEPA-filtered laminar airflow\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCreate a dedicated clean workstation over a bench or table\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eWhy Growers Choose the Bonsai 2×2 FFU\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProfessional Cleanroom Performance\u003c\/strong\u003e – ISO Class 5 \/ Class 100 laminar airflow for sterile work\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Space-Saving\u003c\/strong\u003e – Only 14\" deep, ideal for workbenches and smaller lab spaces\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCost-Effective Alternative to Large Flow Hoods\u003c\/strong\u003e – Professional airflow without the size or cost of a full cabinet system\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuiet \u0026amp; Efficient Operation\u003c\/strong\u003e – Premium blower system designed for extended lab sessions\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3-Speed Adjustable Airflow\u003c\/strong\u003e – Fine-tune airflow to match your sterile technique and workflow\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n  \u003ch3\u003eHEPA Filtration System\u003c\/h3\u003e\n  \u003ctable class=\"spec-table\"\u003e\n    \u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHEPA Filter\u003c\/td\u003e\n\u003ctd\u003eTrue H14 — 99.995% efficiency at 0.3 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClean-Air Rating\u003c\/td\u003e\n\u003ctd\u003eISO Class 5 \/ Class 100\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFilter Media\u003c\/td\u003e\n\u003ctd\u003eHigh-efficiency microfiber in a durable aluminum frame\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePre-Filter\u003c\/td\u003e\n\u003ctd\u003eWashable magnetic electrostatic pre-filter (reusable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eAirflow \u0026amp; Performance\u003c\/h3\u003e\n  \u003ctable class=\"spec-table\"\u003e\n    \u003ctr\u003e\n\u003cth\u003eSetting\u003c\/th\u003e\n\u003cth\u003eAirflow\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFan Control\u003c\/td\u003e\n\u003ctd\u003e3-speed adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHigh Speed\u003c\/td\u003e\n\u003ctd\u003e120 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMedium Speed\u003c\/td\u003e\n\u003ctd\u003e110 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLow Speed\u003c\/td\u003e\n\u003ctd\u003e100 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAverage Airflow\u003c\/td\u003e\n\u003ctd\u003e500–530 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eMotor \u0026amp; Construction\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBackward-curved aluminum centrifugal fan\u003c\/strong\u003e for smoother airflow and improved durability\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003e20-gauge powder-coated aluminum housing\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003eIntegrated pull handles for portability\u003c\/li\u003e\n    \u003cli\u003eStandard 110\/120V grounded power plug\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eNoise \u0026amp; Power Efficiency\u003c\/h3\u003e\n  \u003ctable class=\"spec-table\"\u003e\n    \u003ctr\u003e\n\u003cth\u003eMetric\u003c\/th\u003e\n\u003cth\u003eRating\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e50–60 dBA (comparable to a window AC unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 250W at 100 FPM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eDimensions \u0026amp; Weight\u003c\/h3\u003e\n  \u003ctable class=\"spec-table\"\u003e\n    \u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25\" W × 25\" H × 14\" D\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e0.327–0.682 IWG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eWho This FFU Is Best For\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eMycologists and mushroom growers upgrading from a still air box\u003c\/li\u003e\n    \u003cli\u003eHigh-volume agar and inoculation workflows\u003c\/li\u003e\n    \u003cli\u003eHome labs, classrooms, and commercial grow facilities\u003c\/li\u003e\n    \u003cli\u003eGrowers building a custom sterile workstation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eReplacement Filters\u003c\/h2\u003e\n  \u003cp\u003eHEPA filters are consumables that gradually load with particulates over time. A \u003ca href=\"https:\/\/www.midwestgrowkits.com\/products\/bonsai-ffu-99-99-hepa-replacement-filter-for-2x2-fan-filter-unit\"\u003ereplacement H14 HEPA filter for the 2×2 FFU\u003c\/a\u003e is available so you can keep a spare on hand. The washable magnetic pre-filter extends the main HEPA filter's life by catching larger particles first, so under normal use you'll replace filters far less often than with a standard FFU.\u003c\/p\u003e\n\n  \u003ch2\u003e18-Month Warranty\u003c\/h2\u003e\n  \u003cp\u003eEvery Bonsai FFU is backed by our \u003cstrong\u003e18-Month Limited Warranty\u003c\/strong\u003e, covering manufacturer defects and workmanship issues under normal use. We engineered these FFUs with upgraded components specifically to provide longer service life and better reliability than lower-cost imported units.\u003c\/p\u003e\n\n  \u003ch2\u003eBonus Offer\u003c\/h2\u003e\n  \u003cdiv class=\"ffu-callout\"\u003e\n    \u003cp\u003e\u003cstrong\u003eBuy any Bonsai FFU or Flow Hood and save 50% on compatible accessories and replacement filters.\u003c\/strong\u003e\u003cbr\u003e\n    \u003cem\u003eAccessories must be purchased at the same time for the discount to apply.\u003c\/em\u003e\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFREE shipping\u003c\/strong\u003e within the continental USA\u003c\/li\u003e\n    \u003cli\u003eUnopened units eligible for return\u003c\/li\u003e\n    \u003cli\u003eOpened units eligible for exchange only\u003c\/li\u003e\n    \u003cli\u003eShipping damage replacements handled promptly\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eProduct Video\u003c\/h2\u003e\n  \u003cdiv class=\"video-wrap\"\u003e\n    \u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 8px;\"\u003e\n      \u003ciframe src=\"https:\/\/player.vimeo.com\/video\/913861820?badge=0\u0026amp;autopause=0\u0026amp;player_id=0\u0026amp;app_id=58479\" title=\"Introduction to FFUs (Fan Filter Units)\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0;\" allowfullscreen\u003e\u003c\/iframe\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Midwest Grow Kits","offers":[{"title":"Default Title","offer_id":44595535216743,"sku":"FFU2","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/3699\/8759\/files\/Bonsai_2x2_ffu_main_2026.jpg?v=1789057562","url":"https:\/\/fernprairiemycosupplies.com\/products\/bonsai-2-x-2-ft-99-99-hepa-flowhood-fan-filter-unit-ffu-120v","provider":"Fern Prairie Myco Supplies","version":"1.0","type":"link"}