20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size –

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

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

even without needing to remove the thermostat

Every grille has a front end frame

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

20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return + Product Details Size –+ 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