21x23_1/2x1 MERV 7 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions Scale Size: 203 x 203

Scale Size: 203 x 203 x 38

Kit contains: 2 x 25 lb drums (50 lbs total)

ENERGY is a product derived from traditional and organic ingredients

Full two year warranty—the longest in the industry

21x23_1/2x1 MERV 7 AC Furnace Filters 6 Pack PH/EC/TDS Meters and Solutions Scale Size: 203 x 203Nordic 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