14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 9 3/4" x 1"

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

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actual front end outer dimensions are approximately 34 5/8" width X 16 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" duct opening (measured at the opening)

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter sidewall Actual Filter Size – 24+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 34" OR 34" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 33. 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