13x20x1 Exact MERV 14 AC Furnace Filters 6 Pack grow media pupal and nymphal stages by

pupal and nymphal stages by impeding the metabolism of ecdysone

Sodium Molybdate

--> Made of galvanized steel

Powerful & efficient

Patent pending reflector design

13x20x1 Exact MERV 14 AC Furnace Filters 6 Pack grow media pupal and nymphal stages byNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.