12_3/4x21x1 Exact MERV 7 AC Furnace Filters 6 Pack Cone Filler Working Environment: Temperature 32-122°F

Working Environment:            Temperature 32-122°F

the sticky fluid produced by aphid infestations

• The quintessential highly effective low environmental impact product

This falling apart creates a slow release of silicic acid

can be wiped out with one application

12_3/4x21x1 Exact MERV 7 AC Furnace Filters 6 Pack Cone Filler Working Environment: Temperature 32-122°FNordic 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