24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w36h36 Easy Installation – Just pop

Easy Installation – Just pop the diffuser right into the wall duct hole and the side springs will hold it right into place so that it looks clean

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

maintaining their elegant

Actual Filter Size – 23 3/4"w x 15 3/4" x 1"

24" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w36h36 Easy Installation – Just pop+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 6" OR 6" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 75" x 5. 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 Made