22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack w14h14 + Product Details Size –

+ Product Details Size – 20"w X 30"h is the size for the duct opening measurement only

+ Product Description Introducing the 3-coned supply grille for a T-bar lay-in

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 24" OR 24" X 14" duct opening (measured at the opening)

Actual Filter Size – 7 3/4"w x 27 3/4" x 1"

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack w14h14 + Product Details Size –22" 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