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 45 Degree Elbows (pair) 7716191085 Worcester Gas Flues and Accessories Worcester 90 Degree Elbow 7716191084 Worcester Gas Flues and Accessories Worcester Plume Extension 7716191087 Worcester Gas Flues and Accessories Worcester 125mm 45 Degree Flue Bend 7716190035