Bonsai Flow Hood 99.99% HEPA Replacement Filter for 12" FlowhoodBonsai HEPAFLOW 12 Replacement Filter 12" x 12" 99. 99% HEPA Efficiency Keep your laminar flow workspace running at peak performance with the Bonsai HEPAFLOW 12 Replacement Filter. Designed for the Bonsai 12" Flowhood, this high efficiency filter captures 99. 99% of particles at 0. 3 micronsensuring a sterile environment for agar work, spore syringe prep, and grain transfers. Built for easy installation and long term reliability, the HEPAFLOW 12 is

Fully colonized Maitake (Grifola frondosa) agar plate

where consistent compound profile across batches is essential

Bonsai has released their flagship 4'x2' commercial unit—the most popular size for any serious home or commercial lab setup

allowing you to inject spores or liquid culture

Whether you're storing genetics for future use or starting a fresh batch

premium filter disks

This state-of-the-art

thicker fruiting bodies than traditional oyster varieties

By utilizing vertical space

This is the genetic foundation serious cultivators build a farm on

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Total Weight 6 pounds Grow Method All-In-One grow bag (grain → bulk substrate) Spawn Included Yes – 5-grain blend Substrate Included Yes – hardwood