$56.99 Drain Waste Trap Pipe Connector 1 1/2 BSP x 40mm with Double Dishwasher Input 5901095514241 | eBay
DWC-100 : Fernco Dishwasher Drain Connector | AMRE Supply
Fernco 1 In. x 1/2 In. PVC Dishwasher Drain Connector PDWC-100 - 1 Each 18578000520 | eBay
