18x18x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 6 Pack Growing Media Perfect for Propagation

Perfect for Propagation

anodized aluminum trim

Nordic Pure 14x24x1 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

Use 1-2 tablespoons for every foot of plant height

18x18x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 6 Pack Growing Media Perfect for PropagationPure Green Plus Carbon Eco Friendly AC Furnace Air Filters by Nordic Pure starts with an environmentally responsible non woven, high loft, antimicrobial filter media made of fine gauge polyester. 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 come to rely on from our Pure Green media which will now be white in color on the