“Bialetti” moka pots can last a lifetime, but the one part that does wear out is the gasket—the rubber ring that ensures a tight seal between the top and the bottom. This handy pack provides you with 3 replacement gaskets as well as 1 replacement filter plate to give your moka pot new life.- Compatible with “Bialetti” stainless steel 4-cup moka pots – Includes 3 replacement gaskets and 1 replacement filter- Made from white rubber and stainless steel.