18x25x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 3 Pack MH Growers can use the blocks

Growers can use the blocks for vegetative growth for plants going into larger containers

which makes it easy to install

Pick a spot well above ground

High Photon Efficacy – Achieves up to 2

• Q-Max™ is extremely energy efficient which means a lower life time cost

18x25x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 3 Pack MH Growers can use the blocksPure 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