34" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Size - 10"w X 10"h

Size - 10"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 5 3/4" x 1"

providing the flexibility to match specific ventilation requirements or personal comfort levels

Installation is hassle-free

actual front end outer dimensions are approximately 28 5/8" width X 32 5/8" height

34" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille Size - 10"w X 10"h+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 8" Or 8" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 7. 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