Description
40"W X 6"H [Duct Opening] Linear Aluminum Clip On Bar Return Air Grille [Outer Dimensions: 41.25"W x 7.25"H] 18" Diameter A Uniquie Combination of Cotton Product Details Size 32 CADJB3 C 128 Custom Louvers 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 + Product Details Size 36"W X 4"H is (for duct opening measurement only)