18x28x1 Exact MERV 13 AC Furnace Filters 6 Pack double-ended In our opinion

In our opinion

It is derived from thousands of years of naturally decomposed forest litter that contains a wide spectrum of organic compounds

Warranty: 5 Years on all parts

Enhances nutrient uptake and absorption

Dimming Setting: None

18x28x1 Exact MERV 13 AC Furnace Filters 6 Pack double-ended In our opinionNordic 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