16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe 4" X 14" Brass Victorian

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

actual front end outer dimensions are approximately 14 5/8" width X 30 5/8" height

+ Product Details Size - 16"w X 30"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 18"h is the size for the duct opening measurement only

but you’ll appreciate the benefits over a long period of time

16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe 4" X 14" Brass Victorian+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 24" OR 24" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 21. 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