10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 32.5"] Color_Anodized Aluminum and scratch-resistant surface that enhances

and scratch-resistant surface that enhances the aesthetics of any room

actual front end outer dimensions are approximately 24 5/8" width X 32 5/8" height

modern look and superior functionality

75"H – fits a 18" X 18" duct opening

Tamper-Proof Security – Features a robust design to prevent unauthorized access and protect your thermostat settings

10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 32.5"] Color_Anodized Aluminum and scratch-resistant surface that enhances+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 30" or 30" x 10" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 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