17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cloning & Seed Starting with a non-stick interior that

with a non-stick interior that cleans quickly and easily

grow tents

CO2 Range:                                         0-2000 PPM

or transplant mix and watch your plants respond with deeper roots

The built-in photocell will automatically sense day or night and adjust the speed of your fan accordingly

17x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 12 Pack Cloning & Seed Starting with a non-stick interior thatNordic 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.