21 1/2x24x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hi Controls up to 512 fixtures

Controls up to 512 fixtures

Ship ETA - 2/1/2022

Comes with cleanable sediment filter and in/out pressure gauges to monitor when to change filters

Once in calibration mode the pH electrode can be calibrated to 1 or 2 points using the pre-programmed standard buffers (pH 4

Using DeuceDeuce in conjunction with Grow Natural and Bloom Natural will allow your plants to reach their peak performance

21 1/2x24x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hi Controls up to 512 fixturesNordic 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.