Home / Products / Boilers / Gas Boilers / Worcester Gas Boilers / Worcester Gas Flues and Accessories / Worcester Greenstar 22mm System Filter 7733600236 Worcester Greenstar 22mm System Filter 7733600236 Category: Worcester Gas Flues and Accessories Description Additional information Description Worcester Greenstar 22mm system filter Additional information Name Worcester Greenstar 22mm system filter Product Code 7733600236 Related products Worcester Gas Flues and Accessories Worcester 960mmFlue Extension 7716191083 Worcester Gas Flues and Accessories Worcester 220mm Flue Extension 7716191133 Worcester Gas Flues and Accessories Worcester Pitched Roof Flashing 7716191091 Worcester Gas Flues and Accessories Worcester Condensure Syphon 7716192746