16_1/2x21x1 Exact MERV 12 AC Furnace Filters 6 Pack veg-and-bloom The Dirt Pot Box is

The Dirt Pot Box is stronger than similar products

Enzymes (protease & cellulase)

The Plasma Air 100 Series ion generator is a one-tube commercial quality unit intended for installation in air handling units (AHU)

Highly compatible with organic integrated pest management programs

3/4" outlet only

16_1/2x21x1 Exact MERV 12 AC Furnace Filters 6 Pack veg-and-bloom The Dirt Pot Box isNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different