21 1/2x24x1 Exact MERV 7 AC Furnace Filters 6 Pack led Mixing loop with EC and

Mixing loop with EC and pH verification

Compatible with most storage bags and scales

Roots use entire medium

The Anden AS35FP has many advanced safety and operational features:

21 1/2x24x1 Exact MERV 7 AC Furnace Filters 6 Pack led Mixing loop with EC andNordic 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