14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 28 5/8" width X 22 5/8" height

with actual outer dimensions of 28

+ Product Details Size – 32"w X 34"h is the size for the duct opening measurement only

Simplified Installation: Our Butterfly Damper ensures easy setup

10"w X 8"h Is The Size For The Duct Opening Measurement Only

14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 32" OR 32" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 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