21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Maximize your yield while minimizing

Maximize your yield while minimizing power consumption

100% made in the USA

They also block ultraviolet light and infrared heat

Discover a new generation of coir growing media with PRO-MIX CC40 MYCORRHIZAE

top it with a 6 in FloraCap® and you are ready to hand feed

21x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Maximize your yield while minimizingNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.