Pfaudler model RP-628 twenty eight station rotary piston filler, serial number R577-0020, unit to be sold rebuilt with one set of new change parts to buyers requirements, 3-3/4" pistons and cylinders, straight sided - Teflon coated valves with 7/8" x 1-1/4" ports, conveyor to worm to star infeed, counter-clockwise rotation, no-can-no-fill device, stainless steel contact, cleaned and painted square mild steel base.