34" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel + Product Details Size -

+ Product Details Size - 24"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 22" x 30" or 30" x 22" is the size for the duct opening measurement only

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

Actual Filter Size – 9 3/4"w x 33 3/4" x 1"

34" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel + 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