8x12x1 MERV 14 AC Furnace Filters 6 Pack Gardening Accessories Big Foot Concentrate is the

Big Foot Concentrate is the next generation of mycorrhizae that will supercharge your grow

With even more safety features and performance enhancers compared to the 1000w DE lamps

Holds less water for improved leaching of fertilizer salts during crop cycle

with high quality probes and AC/DC power built-in for portability

8x12x1 MERV 14 AC Furnace Filters 6 Pack Gardening Accessories Big Foot Concentrate is theNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.