21x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Water Heaters Chillers Observe the 4-hour Restricted Entry

Observe the 4-hour Restricted Entry Interval (REI) after application

Garlic Barrier AG+ is made from Garlic Juice

Extremely easy to set up and use

Always mix in non-chlorinated water

21x21x1 Exact MERV 12 AC Furnace Filters 6 Pack Water Heaters Chillers Observe the 4-hour Restricted EntryNordic 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