20x30x1 Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack refurbished-products High humidity will interfere with

High humidity will interfere with the filters ability to adsorb odors

Early-season and pre-bloom applications are most effective

up to 8 bars

low humidity settings

Protects rack-mount equipment from overheating

20x30x1 Pure Green Eco-Friendly AC Furnace Air Filters 3 Pack refurbished-products High humidity will interfere withPure 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