34" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter 75" width X 33

75" width X 33

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 14" x 16" or 16" x 14" is the size for the duct opening measurement only

screws same color as vent cover

actual front end outer dimensions are approximately 32 5/8" width X 32 5/8" height -

34" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter 75" width X 33+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 22" Or 22" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 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