Rancilio Silvia Silicone hose DIA 9 x 6 mm L = 560 mm - Water Tank to Pump and OP Valve to Water Tank.
The Shot hose attaches to the water pump inlet side and the short tube will attached to the Over-pressure OP Valve output side.
This Silicon hose will fit several other Espresso Machines and applications.
SKU 38228002