14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" + Product Details Size –

+ Product Details Size – 12"w X 12"h

The permanently attached eight-tumbler lock with a supplied key adds an extra layer of security

+ Product Details Size – 24"w X 14"h is the size for the duct opening measurement only

these louvers are built to last

and versatile for any project

14" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 9. 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