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 Long Telescopic Flue 7716191171 Worcester Gas Flues and Accessories Worcester Pitched Roof Flashing 7716191091 Worcester Gas Flues and Accessories Worcester 125mm 45 Degree Flue Bend 7716190035 Worcester Gas Flues and Accessories Worcester Vertical Flue Kit 7719002430