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Monotub Adhesive Filter Disks (20-Pack) Polyfil filter disks, air exchange, monotubs, indoor greenhouses, Martha Tents, humidity, flow rate, density, 3M adhesive back, synthetic fiber, water-resistant, Hydrogen Peroxide, re-used, circular, polypropylene, ventilation holes, lid, contaminants, bacteria, airborne particles, micron rating, 0.2 microns, adequate air flow, sterile,

Monotub Adhesive Filter Disks (20-Pack) (FD20)

5.00 stars, based on 30 reviews
(Save 50% Halloween Sale!)Introducing our new Polyfil filter disks, available in a convenient bulk pack of 20, expertly designed to take the guesswork out of air exchange in your mushroom cultivation setup. Crafted from durable synthetic fibers...

Great Filters

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Better than the cheap paper ones.

Great filters

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Pros:
  • Quality
  • Strong
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Got them on sale so I bought a ton of them and I couldn’t be happier.

Great filters

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  • Price
  • Quality
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  • None
Great filters, perfect FAE for monotubs

Los angeles

Great filters

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Pros:
  • Easy to use and faster than poly fill
Cons:
  • Little pricey
I have bought 100s. You can reuse these if you have made a mistake or want to remove to clean monoz.

Will not last indefinitely, but easy and fast when doing multiples.

NC

Great product

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They work perfectly and they're reusable. Service was awesome. Timely delivery. Thanks guys!