26" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Experience noise-free airflow and a

Experience noise-free airflow and a healthier environment thanks to our grille's innovative design

Tool-Free Access for Easy Filter Changes - Features a user-friendly plastic latch that opens effortlessly without a screwdriver

Versatility and Durability: The red oak wood not only adds a touch of warmth and softness to your room but can also be sanded and refinished according to your specific application needs

See our separate listing for Butterfly Dmaper to Control Airflow

actual front end outer dimensions are approximately 36 5/8" width X 16 5/8" height

26" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Experience noise-free airflow and a+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 11. 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