32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated box-shadow: 0 0 6px rgba(82

box-shadow: 0 0 6px rgba(82

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

85" width X 21

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

32" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Powder Coated box-shadow: 0 0 6px rgba(82+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 16" OR 16" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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