30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack 12" Round Duct Pipe + Product Details Size -

+ Product Details Size - 36"w X 12"h X 2"d (for duct opening measurement only)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 18" duct openings

Design – Individually adjusting curved blades for better air flow control

Design – These Supply Diffusers with integral round necks are recommended for heating

By means of the smooth surface

30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack 12" Round Duct Pipe + Product Details Size -+ Product Details Size 30"w X 8"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 29. 75" X 7. 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