9_3/4x23_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack double-ended Rare Dankness Perfecta FORTIFY is

Rare Dankness Perfecta FORTIFY is an additive that aids in plant rigidity and strength

Heavy infestation: Apply once a day for a heavy infestation and reduce applications to once every 3 days after infestation is controlled

Featuring an easy-to-use analog interface

Anthracnose

No fillers are used

9_3/4x23_3/4x1 Exact MERV 14 AC Furnace Filters 6 Pack double-ended Rare Dankness Perfecta FORTIFY isNordic 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.