For sale is a Beach - Russ Vacuum Pump System. Unit labeled: pump size 50-D / Serial No.A-0711. Pump body labeled M-210-1. 3 HP, 3/60/230/460V Dual voltage AC drive motor. Complete unit mounted on a steel base. NOTE: I removed this Beach-Russ Vacuum Pump from service at a genuine laboratory facility where it was declared surplus at the end of a specific project.