32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated engineered for seamless 360-degree airflow

engineered for seamless 360-degree airflow in T-bar ceilings

10" x 4" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

75"H – fits a 18" X 12" duct opening

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

32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated engineered for seamless 360-degree airflow+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 16" OR 16" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 15. 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