16x21_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack pest-and-disease-control The Indoor-Pack contains Bio-Bloom

The Indoor-Pack contains Bio-Bloom

HAVING A SINGLE SPECIES ENSURES SURVIVAL AND VIABILITY BEFORE AND AFTER APPLICATIONS

provides resistance to bacterial and fungal diseases

These shoe covers come with a strong elastic closure at the top to keep them in place and they are also environmentally friendly

7'' blades

16x21_1/2x1 Exact MERV 13 AC Furnace Filters 6 Pack pest-and-disease-control The Indoor-Pack contains Bio-BloomNordic 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