14" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w32h32 + Product Details Size –

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

The grille comes with all necessary screws for a secure fit

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+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

14" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w32h32 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 13. 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