10" x 32" or 32" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 34.5"] w16h16 customize cuts and flares as

customize cuts and flares as needed

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

Actual Front End Outer Dimensions Are 3

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

Actual Filter Size – 23 3/4"w x 17 3/4" x 1"

10" x 32" or 32" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 34.5"] w16h16 customize cuts and flares as+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 32" or 32" x 10" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 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