13x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Monterey Lawn & Garden Products 8" x 32" Standard Carbon

8" x 32" Standard Carbon Air Filter

Warms root area 10-20°F over ambient temperature to improve germination

Save 50% of labor costs

Can be used multiple seasons

less residue and more complete spray coverage

13x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Monterey Lawn & Garden Products 8" x 32" Standard CarbonNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different