17x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Media non-pathogenic saphrophytic fungus known as

non-pathogenic saphrophytic fungus known as Ulocladium oudemansii (U3 strain)

Webworm (Hyphantria cunea)

Efficacy  2

Control: Touch Screen Control

It is also recommended to have a refrigerant scale and nitrogen tank with regulator to operate this unit

17x21x1 Exact MERV 14 AC Furnace Filters 12 Pack Growing Media non-pathogenic saphrophytic fungus known asNordic 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.