7_3/4x25_3/4x1 Exact MERV 7 AC Furnace Filters 6 Pack DUCTWORK Clay Pebbles size 4mm-20mm

Clay Pebbles size 4mm-20mm

Tubing can become crimped when forced to make a 90-degree turn

and 112-Inches fully extended

This Product Controls These Pests or Diseases: Aphids (Aphidoidea)

7_3/4x25_3/4x1 Exact MERV 7 AC Furnace Filters 6 Pack DUCTWORK Clay Pebbles size 4mm-20mmNordic 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