17x21x1 Exact MERV 13 AC Furnace Filters 12 Pack microbes needle-punched 3

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The ALF1000 housing is made of powder coated white aluminum and is extremely compact in design

seed starting trays

Release Rates: Release Green Lacewing larvae at a rate of 2 larvae per 20 pest insects

17x21x1 Exact MERV 13 AC Furnace Filters 12 Pack microbes needle-punched 3Nordic 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