32" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white + Product Details Size -

+ Product Details Size - 32"w X 18"h is the size for the duct opening measurement only

Noise free components - No vibrating louvers etc

efficient airflow

Solid Construction Designed For Floor Use

and a control lever designed for seamless operation

32" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 36" Or 36" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 38. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 35. 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