12x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack harvest-solution There are two pockets in

There are two pockets in the top of the case specially made for the probes

use with Soil Blast and Supre Myco Tea

High temperature shutoff feature from 50°F to 130°F

even when wet

12x27x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack harvest-solution There are two pockets inNordic 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.