20x21_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack Hydro Components and contains zinc

and contains zinc

you can carry eyeglass

Controller compatible (SOLD SEPARATELY)

the PHR3150 is your best choice for performance and value

20x21_1/2x1 Exact MERV 8 AC Furnace Filters 6 Pack Hydro Components and contains zincNordic 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