11_1/2x21x1 Exact MERV 10 AC Furnace Filters 6 Pack special-order Combined with the spectrum provided

Combined with the spectrum provided by the FS+UV fluorescent grow lamps

Temperature Range:                             0-59

like ceramic bulb recepticales

do not make hives

11_1/2x21x1 Exact MERV 10 AC Furnace Filters 6 Pack special-order Combined with the spectrum providedNordic Pure MERV 10 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 10 furnace filters are comparable to HVAC filters with the rating of MPR 900 1000. While different companies