Continue enjoying your favorite Bialetti stove-top espresso maker with this set of replacement gaskets and filter. This set includes three white rubber replacement gaskets and one filter plate. Designed for use in the Bialetti 3 cup moka express stove-top espresso coffee maker. It is compatible with 3 & 4 Cup Moka Express (3/4 tz), Dama, Fiammetta, Break, Moka Melody Sport, Alpina, and Moka Timer. Sizing Reminder: “Cup” or Tazza sizes are based on an espresso cup size, therefore “Cup” or Tazza size refers to the number of servings it can produce. Please use the diameter measurements to match the proper size gasket, if you are unsure of the Cup size.