22" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 11.75] 3-Pack Material_Copper Installation requires cutting into the

Installation requires cutting into the frame of your wall and the metal duct where your HVAC system is located

Actual Filter Size – 31 3/4"w x 31 3/4" x 1"

+ Product Details Size - 34"w X 24"h X 2"d (for duct opening measurement only)

The design eliminates noise and prevents louvers from vibrating

22" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 11.75] 3-Pack Material_Copper Installation requires cutting into the+ Product Details Size 22"w X 12"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 21. 75" X 11. 75" High Quality A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can