18x27x1 MERV 7 AC Furnace Filters 6 Pack Water Treatment What’s more

What’s more

Pack of 6 reflectors:

Back Flow Protection : Air gap in the fill cap prevents pressure built up

CO2 ( PPM ) and has a photocell to detect Day or Night operation

18x27x1 MERV 7 AC Furnace Filters 6 Pack Water Treatment What’s moreNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters