15x25x1 Exact MERV 10 Plus Carbon AC Furnace Filters 12 Pack beneficial microbes The iGS-221 can operate the

The iGS-221 can operate the intake and exhaust fans cyclically to replenish the garden's atmosphere in oxygen as it is needed for the plants and for safe CO2 combustion generator operation

Brand: Quartz Cleaner

Features a round collar on the backside to attach ducting

Both the fabric and seams pass ASTM F1670 & F1671 tests for protection against blood

Use 3 ml-8 ml of solution per gallon of water during the Bloom cycle (see feed chart for further details)

15x25x1 Exact MERV 10 Plus Carbon AC Furnace Filters 12 Pack beneficial microbes The iGS-221 can operate theNordic 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.