21 1/2x26x1 Exact MERV 8 AC Furnace Filters 6 Pack microbes Measurement Range: 0-5000 ppm

Measurement Range: 0-5000 ppm

Power: 320 W

• Unit automatically flushes and fills periodically to maintain the proper conductivity

The built-in timer allows you to easily set a 12 hours on/12 hours off schedule or an 18 hours on/6 hours off schedule with a single button press

21 1/2x26x1 Exact MERV 8 AC Furnace Filters 6 Pack microbes Measurement Range: 0-5000 ppmNordic 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