14" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w8h8 Pressure rating: 2300 to 6500

Pressure rating: 2300 to 6500 psi

+ Product Details Size – 20"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 10 5/8" width X 8 5/8" height

Actual Filter Size – 29 3/4"w x 35 3/4" x 1"

75"H – fits a 20" X 4" duct opening

14" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w8h8 Pressure rating: 2300 to 6500+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 6" or 6" x 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 5. 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 Made