34" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter with filter + Product Details Size –

+ Product Details Size – 22"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 16"h is the size for the duct opening measurement only

5" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size - 22"w X 32"h is the size for the duct opening measurement only

Tough reinforced metallized polyester jacket - tear and puncture resistant

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