18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_dlw Trichogramma releases can significantly reduce

Trichogramma releases can significantly reduce moth/caterpillar populations and limit pesticide use

Boric Acid

Low ppm/EC and free of contaminants

Woodpeckers and more

Reinforced handles - 2 3/8" wide

18x27x1 Exact MERV 13 AC Furnace Filters 6 Pack spl_dlw Trichogramma releases can significantly reduceNordic 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