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

+ Product Details Size – 12"w X 4"h is the size for the duct opening measurement only

+ Product Details Size – 6" x 22" or 22" x 6" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 34" OR 34" X 16" duct opening (measured at the opening)

ensuring consistent and efficient air distribution throughout your space

1/4" - 6518 PSI

14" x 16" or 16" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille + 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