17x20x1 MERV 7 AC Furnace Filters 6 Pack harvest-solutions and monitor

and monitor

water treatment and more

HO lamps: 6 included

You can't beat the submersible line

5-inches/39mm

17x20x1 MERV 7 AC Furnace Filters 6 Pack harvest-solutions and monitorNordic 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