This is the HQ Outlet hose 21 mm straight - 19 mm straight 2.50 m [W9-OHW-25] If your old outlet hose is either blocked or leaking, you can simply replace it with this 2.50 meter HQ outlet hose. This outlet hose is suitable for dishwashers and washing machines and has the following connections, 21 mm straight and 19 mm straight. ...Contact us if you need more help.