8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 26.5"] Fixed Blades with Damper + Product Spec Sheet Outdoor

+ Product Spec Sheet Outdoor Louver Spec Sheet

Built-In Locking System – Comes with a permanently attached eight-tumbler lock and a supplied key for added security

actual front end outer dimensions are approximately 26 5/8" width X 10 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 8" duct openings

Actual Filter Size – 21 3/4"w x 19 3/4" x 1"

8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 26.5"] Fixed Blades with Damper + Product Spec Sheet Outdoor+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 24" or 24" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 23. 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