22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille Return Grille + Product Details Size –

+ Product Details Size – 14"w X 36"h is the size for the duct opening measurement only

diagonally feed it through the square hole

allow you to customize airflow direction with ease

actual front end outer dimensions are approximately 38 5/8" width X 20 5/8" height -

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille Return Grille + Product Details Size –22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille 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 Frame Our