32" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated 75"H – fits a 18"

75"H – fits a 18" X 8" duct opening

actual front end outer dimensions are approximately 14 5/8" width X 8 5/8" height

Actual Filter Size – 23 3/4"w x 15 3/4" x 1"

+ Product Details Size - 20"w X 10"h is the size for the duct opening measurement only

32" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder-Coated 75"H – fits a 18"+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 22" OR 22" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 21. 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