This is the "Y" HV Rotor for Edwards DP-80,/QDP-80 and/iQDP-80 Dry Vacuum Pump series designed for Semiconductor Processes. Part Number: 26401776

We also have a major rebuild kit available for thses pumps. We do minor and major repair work on all brand Semiconductor Dry pumps and Boosters, call us for a quote at (505) 872-0037.