13x25x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Aeromixer Synthetic Pro Edition Its low EC and stable

Its low EC and stable pH make this coir such a supreme hydroponic and soilless medium that based on our testing

Remove the filter access panel to remove and replace the filter

Installing it into a black & white poly plastic "wall" in a partitioned room

Whether growing in tents or rooms

is resistant to acids and bases

13x25x1 MERV 7 Plus Carbon AC Furnace Filters 12 Pack Aeromixer Synthetic Pro Edition Its low EC and stableNordic 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.