20x24x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack king shredder Heavy duty zippers

Heavy duty zippers

5 for maximum nutrient absorbency

Two separate lighting control channels allow users to control two different lighting systems with separate setpoints

Grow Chunks are a larger version (3/4" square) of the popular Grow Cubes

20x24x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack king shredder Heavy duty zippersNordic Pure 20x24x4 Pleated Air Filters MERV 10 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