16x21x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Controller Whether you're watering a backyard

Whether you're watering a backyard garden

• Two Hoses

pH-balanced peat plugs offer optimal air-to-water ratio

A built-in backflow preventer helps avoid oil contamination in case of an unexpected shutdown

000 ppm CO2 is critical to the proper operation and safety of an emergency CO2 system like the Carbon-X

16x21x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Controller Whether you're watering a backyardNordic 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.