or
Pumps, vacuum; KNF Laboport; Dry; Chemical-resistant; Quiet operation; Oil-free; Solid PTFE heads, diaphragms; Multiport Kalrez valves; Flowrate: 34L/min.; End vacuum: 1.5 torr; Pressure: 15psig; 13L x 6.75W x 8.75 in. H; For 115V 60Hz