This Avantco 44902136401 gasket serves as a direct replacement for a worn out or broken one on your Avantco blast chiller. The gasket is key to maintaining maximum efficiency and a low run cost, forming a tight seal that locks in cold air and keeps hot air out. If you find that your gasket is torn, be sure to replace it promptly. It's compatible with Avantco SF-10 blast chillers.