Free Shipping on all orders over $99
Chat With a Growing Expert Live (M-F 9am to 1pm CST)
Customer Support (M-F 11am to 5pm CST) 1.800.921.4717
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 31 reviews
(On 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 with a 3M adhesive...

Great product Great price

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
As always great product from Midwest

IA

Great protection great fae

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
Works great at keeping contamination out while still allowing for FAE.


DE

great service/product

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
I have made a couple of orders from midwest always fast service and great products. These are no execption!

LOVE

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
Disks are perfect size for 1 and 3/8th inch hole that I use on my tubs, probably too big but doesnt matter. Great deal

Townville, South Carolina

Micro-filters

Rating:
review-star review-star review-star review-star review-star
Pros:
Cons:
Super easy installation, great quality