21x23x1 Exact MERV 12 AC Furnace Filters 6 Pack rock-bottom 1 quart or liter of

1 quart or liter of concentrate makes up to 64 gallons

Whether you're watering a backyard garden

The SPH-1 comes complete with the SPH-1 hub

The ducting collar is an industrial tool that has many functions in home ventilation

21x23x1 Exact MERV 12 AC Furnace Filters 6 Pack rock-bottom 1 quart or liter ofNordic 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