Worcester Gas Flues and Accessories Worcester Greenstar Mini System Filter 7733600266 Worcester Gas Flues and Accessories Worcester Greenstar 22mm System Filter 7733600236 Worcester Gas Flues and Accessories Worcester Greenstar 28mm System Filter 7733600237 Worcester Gas Flues and Accessories Worcester 125mm Vertical Flue 7719002431 Worcester Gas Flues and Accessories Worcester 125mm Standard Flue 7719003702 Worcester Gas Flues and Accessories Worcester 125mm Flue Extension 7719003666 Worcester Gas Flues and Accessories Worcester 125mm 90 Degree Flue Bend 7719003664 Worcester Gas Flues and Accessories Worcester 125mm 45 Degree Flue Bend 7716190035 ← 1 2 3 4