20x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack microbial fertilizer Shake well before each use

Shake well before each use

each with its own fan port designated for each of the zones

17" height

if one of the many essential trace elements is deficient in the soil

and prevent a backdraft of air when the fans are switched off

20x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack microbial fertilizer Shake well before each usePure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have