20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Filter Size - 7

Filter Size - 7

Design – Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home

even without needing to remove the thermostat

6" width X 11

+ Product Details Size - The listed 4" diameter refers specifically to the size of the duct opening

20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Filter Size - 7+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 34" OR 34" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 33. 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