16" x 36" or 36" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel 875" width X 8" height

875" width X 8" height

75"H – fits a 14" X 12" duct opening

Actual Filter Size – 7 3/4"w x 19 3/4" x 1"

Whether you choose the modern contemporary

Installation Location – Suitable for both sidewall and ceiling installation

16" x 36" or 36" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel 875" width X 8" height+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 36" OR 36" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 38. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 35. 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