17x28x1 Exact MERV 7 AC Furnace Filters 6 Pack Controllers More red and blue PAR

More red and blue PAR per Watt than any other lighting fixture

120-277 VAC

Package Dimensions:                         275mm(L) x 87mm(W) x 94mm(H)

An “ecosystem in a bottle

The #4 is the largest perlite on the market and averages a whopping size of around 1 in

17x28x1 Exact MERV 7 AC Furnace Filters 6 Pack Controllers More red and blue PARNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters