11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 12 Pack Growing Media → See all your root

→ See all your root zone data

Available in 4x4 and 4x8

but rather directly on top of

27 x PotPro™ | Link x 2ft (unit)

that offers the most sophisticated technology in the market

11 1/4x11 1/4x1 Exact MERV 8 AC Furnace Filters 12 Pack Growing Media → See all your rootNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters