WEIAI wholesale LH-85L vaccum diaphragm pump bomba de vacio 30L/min Vakuumpumpe lab micro oilless diaphragm vacuum pump

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(1) The vacuum is stable and the pressure is adjustable
(2) Small size and light weight bomba de vacío
(3) Easy to use, oil-free, clean and pollution-free
(4) It can work continuously and stably, and can operate continuously for 24 hours
(5) Simple repair and maintenance, can be operated by yourself

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