11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 12 Pack refurbished-products BOSS will expand to full

BOSS will expand to full size in just minutes

polyester filter material which acts as a pre-filter

Can increase to 2-3 teaspoons as above

POWER: 800W

11 1/4x23 1/4x1 Exact MERV 13 AC Furnace Filters 12 Pack refurbished-products BOSS will expand to fullNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200