18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Brown 75" width X 33

75" width X 33

Crafted from robust 20-gauge steel

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 12" OR 12" x 30" duct opening (measured at the opening)

18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Brown 75" width X 3318" 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