32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper Suitable for all AC applications

Suitable for all AC applications

damper-link:hover { color: #003366

+ Product Details Size - 28"w X 18"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 22 5/8" height

Filter Size - 31

32" x 18" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Fixed Blades with Damper Suitable for all AC applications+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 18" OR 18" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 20. 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