DWV1200 100mm Reflux Valve Posted onNovember 11, 2020AuthorMichelle Easy access for inspection and servicing Adjustable riser height Helps prevent rodents entering through pipes Prevents ingress of rising stormwater into property Approval for DWV and Stormwater SKU: DWV1200 Category: Traps, DWV and Stormwater Related products WA1121 Plug&Waste Bath Bend Pop Up w/Connector WA1090 40mm Standard P Trap WA1030-1035 Trap Extension 25mm WA1100-1105 Standard S Trap