17_1/4x19_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack ventilation and ducting An independent efficiency lab report

An independent efficiency lab report is also available to verify the published performance specifications

The botanicals are all food grade GRAS (Generally Recognized As Safe) materials

Crafted with a steel core and coated with a high-density plastic

The outermost layer of spunbond polypropylene provides strength

The flow rate is adjustable from -

17_1/4x19_1/4x1 Exact MERV 7 AC Furnace Filters 6 Pack ventilation and ducting An independent efficiency lab reportNordic 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