22" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 11.75] 3-Pack Color_R-4.2 Yellow Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 4" duct openings

angle them down for effective warmth distribution

Actual Front End Outer Dimensions Are 42" Width X 18" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

high-impact plastic

Vertical blades in the back

22" x 12" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 11.75] 3-Pack Color_R-4.2 Yellow Ideal for Walls & Ceilings:+ 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