6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 32.5"] Compatible with Duct 8" + Product Details Size -

+ Product Details Size - 10"w X 36"h is the size for the duct opening measurement only

while its modern design complements any space

Works for every air conditioning & refrigeration application including ductless mini-split

+ Product Details Size – 6" round duct opening-

actual front end outer dimensions are approximately 20 5/8" width X 338 5/8" height

6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 32.5"] Compatible with Duct 8" + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 6" x 32" or 32" x 6" duct opening (measured at the opening), with actual outer dimensions of 8. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 5. 75" x 31. 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