22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack w12h12 + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 22" duct opening (measured at the opening)

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size - 8"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 22"w X 36"h X 2"d (for duct opening measurement only)

75"H – fits a 16" X 10" duct opening

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack w12h12 + Product Details Perfect Fit22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille 3 Pack Actual Dimensions: 21. 75" X 25. 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