22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack Insulated Line + Product Details 12"w X

+ Product Details 12"w X 4"h Is The Size For The Duct Opening Measurement Only

actual front end outer dimensions are approximately 26

+ Product Description Introducing the Toe Space Grill – a practical solution for efficient heating and cooling in spaces with fixed furniture

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

+ Product Details Size - 16"w X 8"h is the size for the duct opening measurement only

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack Insulated Line + Product Details 12"w X22" 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