24x24x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack harvest-solution while also protecting it from

while also protecting it from grease

It is 100% soluble and is compatible with all growing mediums

get outstanding results from a cutting-edge technology

water treatment

24x24x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack harvest-solution while also protecting it fromNordic Pure 24x24x4 Pleated Air Filters MERV 7 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy duty, moisture resistant beverage