21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Available in an array of

Available in an array of industrial strength sizes

This RTU comes hospital-grade

Is it waterproof

line-trimming

Less energy

21x21x1 Exact MERV 8 AC Furnace Filters 6 Pack plant-care/pest-&-disease-control Available in an array ofNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters