10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 22.5"] w26h26 Foot Operated Opposed Blade Damper

Foot Operated Opposed Blade Damper For Full Air Flow Control And Shutoff

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+ Product Details Size - 16"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 30"w X 24"h is the size for the duct opening measurement only

+ Product Description Introducing our High-Quality Copper Coil

10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 22.5"] w26h26 Foot Operated Opposed Blade Damper+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 20" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 75" x 19. 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 from