32" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Ceiling Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 30" OR 30" x 24" duct opening (measured at the opening)

16" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

32" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Ceiling Actual Filter Size – 19+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 34" Or 34" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 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