14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size -

+ Product Details Size - 8"w X 30"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

actual front end outer dimensions are approximately 28 5/8" width X 16 5/8" height

Just run your finger along the edge of the top plate and you will find a smooth finished surface

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14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 16" OR 16" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 15. 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