Chatsworth Products, Inc. (CPI) offers the KoldLok Mini Raised Floor Grommet to seal smaller cable holes, reduce bypass airflow, and increase energy efficiency. Unsealed cable openings in access floor environments allow 50-80 percent of valuable supply air to bypass critical equipment, contributing to hot spots, cooling unit inefficiencies and increased infrastructure costs. Designed with brush closures that surround and protect cables, the KoldLok Mini Raised Floor Grommet, a CPI Passive Cooling accessory, effectively seals cable holes as small as 4 by 6-in. to reduce bypass airflow around cables in access floor environments. By decreasing bypass airflow, the KoldLok Mini significantly impacts the cooling effectiveness of the data center by preventing cold supply air from mixing with hot exhaust air via unsealed cable holes.