Description
30x30x1 Exact MERV 10 AC Furnace Filters 6 Pack reflective and greenhouse films Nordic Pure 18x24x1 MERV 14 Nordic Pure 18x24x1 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home The optional CO2 Sensor (MBS S8) measures the CO2 PPM within the growing area