12x20x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 3 Pack Lamps It is an alternative technology

It is an alternative technology that can potentially suppress microbial growth without damaging the environment

When using depleted soil

- It has a pH of between 5

Works great for both hydroponic and soil applications

SUPERthrive® Pro-Tekt® is a nutritional supplement for plants that’s in an easy-to-use liquid concentrate that’s ideal for hydroponic use

12x20x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 3 Pack Lamps It is an alternative technologyPure 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