14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe The smooth

The smooth

with actual outer dimensions of 28

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

Ideal for Walls & Ceilings: Designed for seamless installation in standard 8" X 4" duct openings

Simplified Installation: Our Butterfly Damper ensures easy setup

14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 12" Round Duct Pipe The smooth+ 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