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 Flue Kit FS High Flow 7716191155 Worcester Gas Flues and Accessories Worcester Plume Kit 7716191086 Worcester Gas Flues and Accessories Worcester Pre Piping Kit Compact 77161912713 Worcester Gas Flues and Accessories Worcester Long Telescopic Flue 7716191171