Elmar model RPE-421I twenty one station rotary piston filler, 4.5" table top conveyor to worm to star infeed, counter-clockwise rotation, tangential discharge, 300x407 change parts, currently with 3-3/4" diameter x 7.5" stroke cylinders, with (20 of 21 cylinders and 15 of 21 pistons), with a full set of straight sided valves which have 3/4" x 1-1/4" hardened plastic ports, mechanical to air no-can-no-fill device, stainless steel contact and cladded base, serial number E84-4537, requires 1 cylinder, 6 pistons and the no-can-no-fill kit and valve cam.