Rubber Grommets - replacement parts for Cobb Premier, Kitchen-in-a-Box, Pro. Essential for proper airflow when Dome Lid is in place. The grommet slides into the groove (above the feet) in the top ring with the highest point to the inside.
The Grommets slides into the grooves of the Top Ring with the highest point facing inside. It is recommended that Grommets are maintained and replaced every few years if you use your COBB frequently.