10" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" x 12.5"] Aluminum Bar Installation Location – Sidewall & Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Installation Location – Sidewall & ceiling

+ Product Details Size - 34"w X 30"h is the size for the duct opening measurement only

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

reducing electric bills and extending HVAC machine lifespan

10" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum White [Outer Dimensions: 12.5" x 12.5"] Aluminum Bar Installation Location – Sidewall & Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Installation Location – Sidewall & ceiling + Product Details Size 34"w X 30"h is the size for the duct opening measurement only