For Deli smaller brew coffee system,we are using stainless steel Deli special basket,plus wedge wire false bottom,plus two more exterior filters again,so totally 4 filters built in Deli smaller brew coffee machine,all filters are stainless steel and reusable.
For Deli larger brew coffee system,we are using stainless steel wedge wire false bottom,plus two more exterior large multi-bags filters again,so totally 3 filters built in Deli larger brew coffee machine,all filters are stainless steel,exterior large multi bags filters with reusable bags.