18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille w22h22 + Product Details Size -

+ Product Details Size - 6"w X 34"h X 2"d (for duct opening measurement only)

+ Product Details Size - 18"w X 30"h X 2"d (for duct opening measurement only)

+ Product Details Size – 26"w X 30"h is the size for the duct opening measurement only

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18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille w22h22 + Product Details Size -18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Actual Dimensions: 17. 75" X 21. 75" 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 The "W" Shaped Pleats Give You More Filter Surface Thereby Capturing More Dust All Our Filter Are Tested Per ASHRAE 52. 2 Standards MERV 8 And An Average Arrestance Of 90 94% Extra Strong Frame Our