21 1/2x26x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack vacuum pH Combo Electrode Glass Body

pH Combo Electrode Glass Body - Refillable Temp Sensor

Compatible with automated control systems

making trimming all that much easier

Number of Gallons Per Unit: 55

Waterproof

21 1/2x26x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack vacuum pH Combo Electrode Glass BodyNordic 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.