Split Circular Brush Grommets is a split design that can be put around the existing cables without disturbing. It is designed to seal openings in new and existing raised floor cutouts to block bypass airflow and maximize cooling system efficiency. It is the premium choice for the facility. This revolutionary sealing technology helps reduce the costly bypass airflow, that increases the usable cooling unit capacity and ensures maximized efficiency from HVAC equipment. Split Circular Brush Grommets are made with high grade material and is very cost-effective too.