34" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set + Product Description Introducing the

+ Product Description Introducing the 8" Radial Damper – Your Solution for Controlled Airflow

+ Product Details Size – 14" x 14" is the size for the duct opening measurement only

+ Product Details Size - 26"w X 30"h is the size for the duct opening measurement only

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

+ Product Details Size - 28"w X 26"h is the size for the duct opening measurement only

34" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set + Product Description Introducing the+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 10" Or 10" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 9. 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