6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 30.5"] Aluminum this air supply register is

this air supply register is ideal for sidewall and ceiling applications

Mounted with a frame and bayonet joint

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height -

+ Product Details Size - 10"w X 10"h X 2"d (for duct opening measurement only)

Upgrade your air distribution strategy today – invest in the efficiency and convenience of the 6" Butterfly Damper

6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 30.5"] Aluminum this air supply register is+ Product Details Perfect Fit & Easy Sizing Designed for a 6" x 28" or 28" x 6" duct opening (measured at the opening), with actual outer dimensions of 8. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 5. 75" x 27. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum Made