Old Style Waterway Adjustable Mini Jet - pulsator deluxe - NO LONGER AVAILABLE This conversion kit includes a new style jet internal AND a new style valve - both required to replace an old style internal. 65mm D, Very common jet with twin hole rotating nozzle, scalloped escutheon, 4 prongs on the back Obsolete old style internal and associated valve shown on the right. New style internal and associated valve being supplied, shown on the left.