Active Air Pre-Filter for ACCF398, 8" x 39" aaron Sizes vary from 4' x

Sizes vary from 4' x 8' packs to rolls from 36 to 72" wide up to 3280' long

as well as checking out our instructional video

The O Ring is works with the electropolished steel tumbler and also the Quantanium-coated tumblers

Circulating the air also maximizes the application of CO2 in the grow facility

Carbon bed depth of 1"

Active Air Pre-Filter for ACCF398, 8" x 39" aaron Sizes vary from 4' xDescription Active Air Pre Filter: This accessory helps extend the lifespan of your Active Air carbon filter. It blocks larger particles such as dust and dirt from clogging the filter's surface, keeping it running efficiently for a prolonged period. When the pre filter appears noticeably dirty and discolored after several weeks, it is advisable to replace it. Perfectly Compatible: Visit our extensive collection and find the pre filter size that fits