13x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack extraction Use this product with pH

Use this product with pH electrodes with a BNC connector and TDS probes with a DIN connector

and use commercial grade acoustical neoprene foam made specifically for sound deadening

Number of Tumblers: 1 Wet and 1 Dry

Pack Type: Bulk

More roots means quicker growth

13x21x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack extraction Use this product with pHNordic 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.