32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 10" OR 10" x 20" duct opening (measured at the opening)

+ Product Details Size – 14" x 20" or 20" x 14" is the size for the duct opening measurement only

When it's time to upgrade your HVAC Vents in your house

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

Tamper-Proof Security – Features a robust design to prevent unauthorized access and protect your thermostat settings

32" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14" Diameter + Product Details Perfect Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 32" x 24" OR 24" x 32" duct opening (measured at the opening), with actual outer dimensions of 34. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 31. 75" x 23. 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