20x28x1 Exact MERV 7 AC Furnace Filters 6 Pack hydro-x Strong motor for continuous 24/7

Strong motor for continuous 24/7 use

Coir supports better aeration and drainage

These saponins get products flowing over the leaves and through the soil

Roots Organics give you control to supplement as needed without affecting primary fertility input ratios

Waterproof housing

20x28x1 Exact MERV 7 AC Furnace Filters 6 Pack hydro-x Strong motor for continuous 24/7Nordic 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