12x20x2 Pleated MERV 13 Air Filters 12 Pack reflectors and grow lights Stack count: 36

Stack count: 36

is the key to breaking down the hydrophobic layer and to the feeding of the earthworm castings

these new T5s outperform the competition and come with BULBS INCLUDED

and air to the medium while blocking light

12x20x2 Pleated MERV 13 Air Filters 12 Pack reflectors and grow lights Stack count: 36Nordic 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