25x32x1 Exact MERV 13 AC Furnace Filters 6 Pack chillers-heaters-and-purification the racks can be nested

the racks can be nested to save space

Using a clean and sanitized scalpel

The letter indicates tube type: E-tubes or F-tubes

Leaves no harmful residue

Interveinal Chlorosis

25x32x1 Exact MERV 13 AC Furnace Filters 6 Pack chillers-heaters-and-purification the racks can be nestedNordic 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