20x20x2 Pleated MERV 13 Air Filters 12 Pack Growing Accessories This rack drawer takes 4U

This rack drawer takes 4U of rack space and includes a mat and a 10-32 rack mounting screw set

Quickly sort your harvest by loading the kit starting with the largest size sieve on top and firmly shake until your material is finished sorting

and a message center that provides feedback

four grilles

the fine cell structure and drainage properties provide uniform moisture and hydroponic nutrients throughout the media – whether you use overhead irrigation or sub-irrigation

20x20x2 Pleated MERV 13 Air Filters 12 Pack Growing Accessories This rack drawer takes 4UNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200