23 1/2x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote and automatically closes when not

and automatically closes when not in use

Use for plants

When using depleted soil

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

23 1/2x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Promote and automatically closes when notNordic 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.