18x24x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 24 Pack spl_hrg EPA 25(b) Exempt product with

EPA 25(b) Exempt product with proven safe ingredients

SMD green LEDs which won't disrupt plant growth cycles

your plants' responses are at their fullest at all times

Calcium (Ca)………

time-release nutrition

18x24x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 24 Pack spl_hrg EPA 25(b) Exempt product withPure 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