Bonsai 3 x 2 ft 99.99% HEPA Flowhood Fan Filter Unit (FFU) 120VMore clean air workspace than a 22 FFU, with the same compact 14" deep design. The Bonsai 3' 2' HEPA Fan Filter Unit (FFU) is a mid sized, cleanroom grade fan filter unit for mushroom cultivation and sterile lab work an affordable alternative to a full laminar flow hood, sized for mycology labs, agar work, sterile transfers, classrooms, and small production spaces. With a larger filter face than a standard 22 model, this FFU gives you more usable

This species thrives in regions with seasonal temperature changes

Integrated pull handles for easier positioning

2 x 24-Hour Timers

Optimized Airflow & Humidity – Filter disks and hole plugs create a stable fruiting environment

cut a hole and twist and lock the housing in place

Available in Bulk – Choose from 40 lb bags or full pallet quantities (2

5lb colonized mushroom substrate

contamination-free mycology with the Bonsai HEPAFLOW-12 Flow Hood — now bundled with a bonus replacement filter for long-term reliability and serious value

and 60-minute settings with 30-second audible countdown

Myco Labs or Blue Myco Branding – Logo may vary

20% thicker construction (17g per dish) — handles repeated autoclave cycles

Flexible and durable across all temperatures