Home / Products / Boilers / Gas Boilers / Worcester Gas Boilers / Worcester Gas Flues and Accessories / Worcester Greenstar 28mm System Filter 7733600237 Worcester Greenstar 28mm System Filter 7733600237 Category: Worcester Gas Flues and Accessories Description Additional information Description Worcester Greenstar 28mm system filter Additional information Name Worcester Greenstar 28mm system filter Product Code 7733600237 Related products Worcester Gas Flues and Accessories Worcester Vertical adapter 7719002432 Worcester Gas Flues and Accessories Worcester Keyless Filling Link 7716192610 Worcester Gas Flues and Accessories Worcester Condensure Syphon 7716192746 Worcester Gas Flues and Accessories Worcester Greenstar 22mm System Filter 7733600236