18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Compatible With Duct 12in + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 32" OR 32" X 14" duct opening (measured at the opening)

actual front end outer dimensions are approximately 7

Actual Filter Size – 24 3/4"w x 23 3/4" x 1"

ventilation

+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Compatible With Duct 12in + Product Details Perfect Fit18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Actual Dimensions: 17. 75" X 21. 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