16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Supply Grille Simplified Installation: Our Radial Damper

Simplified Installation: Our Radial Damper ensures easy setup

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 4" duct openings

powder-coated finish adds a touch of elegance while also being scratch-resistant

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

Actual Filter Size – 25 3/4"w x 17 3/4" x 1"

16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Supply Grille Simplified Installation: Our Radial Damper+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 30" OR 30" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 29. 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