12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 + Product Details Size –

+ Product Details Size – 16"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only

and a polished

Experience noise-free airflow and a healthier environment thanks to our grille's innovative design

actual front end outer dimensions are 25" Width X 25" Height

12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 32" or 32" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 31. 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