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Peel-and-stick filters for five monotubs.
Twenty 2.5 in peel-and-stick filter disks, enough for five standard four-hole monotubs. Press one over any vent hole up to 2.25 in for the same measured air exchange on every tub, then wash and reuse them after harvest.
Identical filters on each hole make conditions repeat from tub to tub.
No stuffing, glue or tape that lifts in high humidity.
Misting will not soak the media the way loose polyfil does.
Clean them in 3% hydrogen peroxide and reapply.
A flat white disk instead of fiber sticking out of the tub.
Cut vent holes up to 2.25 in; a 2 in hole saw leaves room for the adhesive.
Wipe around each hole with alcohol and let it dry.
Center the disk and smooth it from the middle out.
After harvest, peel, wash in 3% hydrogen peroxide, dry and reapply.
Just one tub?The 6-pack covers a four-hole tub with spares. Pair with our monotubs.
Any hole up to 2.25 in across. A 2 in hole saw is the common choice.
Yes. Wash them in 3% hydrogen peroxide after harvest and let them dry fully before reapplying.
The tub was damp or dusty. Wipe with alcohol and let it dry completely first.
These are best and most cost effective filters I’ve found. They are easy to use.
I’ve tried the medical tape and either not enough or too much airflow. These disks have the perfect amount for a cheap price.
Excellent FAE Exchange, Easy to Replace, Great Price I find these are super easy to use and replace. I do not have to worry about FAE and can use a humidifier either internal or external and not worry about the filter disks clogging or not allowing fresh air in. I highly recommend this product.
2 thumbs up,,5 star product these cheap and effective filters are a must have nothing else compares,,poly fill, and cotton etc are no where ss good as these filters plus midwest grow is te greatest company ever
Works great at keeping contamination out while still allowing for FAE.
Price: $14.99