¾" fill/drain fitting
which is just about the length of time for the product to dry on a plant
Harvest time reduced by approximately 30% versus traditional methods
The fans are housed in heavy-duty cold rolled steel with spiral fan guards
with an average increase of available light of a whopping 48%
17_3/8x35x1 MERV 13 AC Furnace Filters 6 Pack Light Fixture ¾" fill/drain fittingNordic 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