12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 36 5/8" height

providing efficient performance of up to 300m3/h

+ Product Details Size – 14"w X 2"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

actual front end outer dimensions are approximately 20 5/8" width X 24 5/8" height

12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w10h10 actual front end outer dimensions+ 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