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Peel-and-stick filters for monotub vent holes.
Six 2.5 in peel-and-stick filter disks: enough for a standard four-hole monotub plus two spares. Press one over any vent hole up to 2.25 in for consistent, repeatable air exchange, then wash and reuse them after the grow.
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.
More tubs?The 20-pack covers five four-hole tubs. 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.
These filter disks are high quality, never lose their adhesion, and they always arrive quickly for whenever I need them! I highly recommend!!!
only time will tell
The kind Midwest has are great
Work great!
Price: $6.99