30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack Brazing Solder Rods actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 34 5/8" height

+ Product Details Size & Compatibility – The size of the side round ceiling box is 6" X 6" X 4" and it is compatible with duct 4"

Engineered for easy installation

With a 4" diameter for the duct opening measurement

30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack Brazing Solder Rods actual front end outer dimensions30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille 3 Pack Actual Dimensions: 29. 75" X 7. 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