... life, massage bath crock is special motor electric pump; Class F insulation, IPX5 protection grade, ... single cylinder: EH75,EH100,EH120 nozzle,Four, selection guidelines:1. The size of the bath ... of products in authentication requirements;4. Water pump inlet and outlet water connector size requirements ... life, massage bath crock is special motor electric pump; Class F insulation, IPX5 protection grade, ...