30" x 16" or 16" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 Solid Base Construction – Features

Solid Base Construction – Features a solid base for stable installation and reliable protection

Our filter grille latch is easy to use on your fingers and requires no screwdriver to open

polished appearance that adds elegance to any room

+ Product Details Size - 36"w X 28"h is the size for the duct opening measurement only

30" x 16" or 16" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w16h16 Solid Base Construction – Features+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 16" OR 16" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 15. 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