PN 70319 The factory original Moto Massage completely assembled with jet nozzle, air tube and braced water tube adaptor. This unit replaces any Moto Massage Jet assembly from 1988 to Present. These units are ready to go for delivery at any time. If you are unsure of what year your spa is, email us and we will assist you. If you have an older Hot Spring Spa (1985 to 1987) then you will need a different assembly.