- For connecting drain hoses of washing machines or dishwashers to syphons installed in the wall ,- For in-wall syphons with an opening for cleaning and a stainless steel cover plate ,- 1 (DN:25), 33.7 sleeve nut - Gland 2: 20 mm ,- Nominal Diameter/mm 1: 1 (DN:25), 33.7 mm ,- Material: Plastic Material ,- Colour: White ,- Service Product: No ,- Usage: Dishwasher/Washing Machine 2 years legal warranty only