• 4” x 24” material column
Exempt from tolerances
the Max-Fan has the power to move a lot of air efficiently
Works with all wattage MH and HPS lamps
but testing on a few plants or a small area is always recommended before applying large-scale
10x14x1 MERV 13 AC Furnace Filters 6 Pack new_additions • 4” x 24” materialNordic 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