8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] Round Damper Ring Actual Filter Size – 24

Actual Filter Size – 24 3/4"w x 19 3/4" x 1"

+ Product Details Size – 14" x 22" or 22" x 14" is the size for the duct opening measurement only

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

Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 10.5" X 32.5"] Round Damper Ring Actual Filter Size – 24+ Product Details Perfect Fit & Easy Sizing Designed for a 8" x 30" or 30" x 8" duct opening (measured at the opening), with actual outer dimensions of 10. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 7. 75" x 29. 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