32" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe Its generous size and universal

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

actual front end outer dimensions are approximately 38 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 36 5/8" width X 26 5/8" height

Powder-coat finish – smooth

Filter Size - 13

32" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Round Duct Pipe Its generous size and universal+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 20" OR 20" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 17. 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