18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_dlw The paper backing makes the

The paper backing makes the duct tape easy to peel and apply

Reinforced handles - 2 3/8" wide

All Root Royale Cocopure goes through an ageing and wash treatment to reduce EC readings

High Speed Medium Speed Low Speed

Boric Acid

18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_dlw The paper backing makes theNordic 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