Product details:

Love your 6.5 quart All-Clad Slow Cooker, but need a new insert This All-Clad replacement black ceramic insert is the authorized replacement that fits the 6.5 quart slow cooker All-Clad model number 99009. This insert will not fit any of the slow cookers with the cast aluminum inserts. This black ceramic insert is specific to the model that we carry only. If your slow cooker is not the same model number listed above, it will not fit. This is the insert for All-Clad Slow Cooker model SERIESC01 (look for the sticker on the bottom of your slow cooker to make sure you are purchasing the insert that is made for this slow cooker).