14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Width_20in + Product Details Size –

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

+ Product Details Size – 24"w X 16"h is the size for the duct opening measurement only

Easy clean Healthy air flow for your HVAC system - noise free components

75" height

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Width_20in + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 34" OR 34" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 33. 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