22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille Compatible With Duct 10in this vent cover provides superior

this vent cover provides superior durability while maintaining a sleek

+ Product Details Size – 8"w X 4"h is the size for the duct opening measurement only

L/H@0 FT: - 38

+ Product Details Size - 30"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 Compatible With Duct 10in this vent cover provides superior22" 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