Valterra White 2-3/4" inch City Water Fill with Flange A01-0168BU
Link to Purchase: https://amzn.to/2TOnCtE
The city water connection will connect straight to a garden hose Parts are constructed with UV stabilized plastic. Check valve backflow preventer in city connection. Comes with a white rubber press-in dust plug
Specifications:
1/2″ MPT inside connection
2-3/4" Flange diameter