8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] w34h34 Universal Fit – Measures 6"

Universal Fit – Measures 6" wide x 3-1-13/16" high x 3-1/8" deep

Designed for optimum performance

+ Product Details Size - 12"w X 18"h X 2"d (for duct opening measurement only)

Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

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8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] w34h34 Universal Fit – Measures 6"+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 30" or 30" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 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