17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack meters-&-solutions - It has an automatic

- It has an automatic operating cycle that triggers the fan and light source

This controller allows you to set the idle speed to 50%

MERV 13 Plus Carbon air filters are comparable to air filters with the MPR rating of 2200-2400

Choose from six different 100-foot sizes

18″ x 24″ with 5-mm seals

17x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 12 Pack meters-&-solutions - It has an automaticNordic 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.