KNF Laboport neuberger vacuum pump diaphragm MPU933-N726.0-1.98 39 mbar qz

used working KNF Laboport neuberger diaphragm vacuum pump model MPU933-N726.0-1.98 (labeled by Chemglass). 115v. Produced 39 mbar vacuum in a seconds. the vacuum controller does not INCLUDED. If not satisfied. You can return this unit within 30 days for a full refund minus shipping. lot con4/4botright