16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Supply Grille powder-coated finish adds a touch

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

Actual Filter Size – 29 3/4"w x 29 3/4" x 1"

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

UPC – 810107141946

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

16" x 30" or 30" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Supply Grille powder-coated finish adds a touch+ 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