Standpipe Double Entry Tee Micro-vented design 40mm outlet Spare cap Easi Plumb Standpipe Double Entry Tee For Washing Machine / Dishwasher | Epwmspt The Easi Plumb Washing Machine Standpipe Double Entry Tee allows the discharge from two appliances into a single 40mm stand pipe waste outlet. This fitting connects directly onto a stand pipe with a compression nut. A blanking nut is included in case one only side is to be used. The micro vented design prevents waste water entering the opposing connection. This easy to fit connection has full fitting instructions included on the back of the packing.