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 Size –

+ Product Details Size – 2"w X 12"h or 12"w X 2"h is the size for the duct opening measurement only

+ Product Details Outer dimensions: 31

actual front end outer dimensions are approximately 26

also referred to as T-Bar or Lay-in system

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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 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