11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs Compatible with various grow systems

Compatible with various grow systems (ebb & flow

and because the SAM 400® kills ALL pathogens smaller than the HEPA 0

3 micron particles—similar to an N95 respirator

hydroponic

Our two-stage safety pilot valve does not allow fuel to flow to the burner unless the pilot is lit

11 3/8x11 3/8x1 Exact MERV 12 Plus Carbon AC Furnace Air Filters 12 Pack grow-systems-trays-reservoirs Compatible with various grow systemsNordic 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.