32" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Copper Coil-Insulated Line Set actual front end outer dimensions

actual front end outer dimensions are approximately 38 5/8" width X 22 5/8" height -

Incorporated with Integral Butterfly Damper for full Airflow Control

+ Product Details Size - 20"w X 12"h is the size for the duct opening measurement only

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size – 24"w X 24"h

32" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Copper Coil-Insulated Line Set actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 30" OR 30" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 29. 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