11 1/4x19 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack pots-and-containers Formerly Procidic 2 - Relabeled

Formerly Procidic 2 - Relabeled for Expanded Use For Hemp and Cannabis

Dyna-ZYME works in conjunction with mycorrhizae and beneficial bacteria to break down nutrients

Root Zone pH Measurement – The versatile Leap pH Probe allows for pH measurement directly in the root zone area as well as in solution

Contains a mixed-flow design and an EC-motor for a quiet and high static-pressure performance

Replacing your air filter regularly not only improves indoor air quality

11 1/4x19 1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack pots-and-containers Formerly Procidic 2 - RelabeledNordic 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.