21 1/2x23x1 Exact MERV 7 AC Furnace Filters 6 Pack extraction (1 tsp is approximately 44

(1 tsp is approximately 44 tsp/44 gal water/acre) – Recommended for preventative treatments before signs of infestation

Fits ONLY 6 x 10 in

In regular atmosphere conditions

Introducing the AWOL Diver Box Liner

When water hits the valve

21 1/2x23x1 Exact MERV 7 AC Furnace Filters 6 Pack extraction (1 tsp is approximately 44Nordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters