14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return accordion-item')

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

+ Product Details Size - 34"w X 22"h is the size for the duct opening measurement only

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

14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return accordion-item')+ 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