16x21x1 MERV 7 AC Furnace Filters 6 Pack extension and increased tolerance to drought

and increased tolerance to drought

A ventilation ducting tool designed to fit different-sized duct hole openings together

Reinforced with ribs and rim to maximize rigidity

high-density polyethylene

This trough collects runoff then directs it toward the bulkhead recess to reduce standing water

16x21x1 MERV 7 AC Furnace Filters 6 Pack extension and increased tolerance to droughtNordic 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