Inquiry (采购产品): vacuum pump I'm looking for a small, continuous-duty vacuum pump for experimentation. Chamber size will be no more than a cubic foot, and suction does not need to be real high - maybe 10-20". Can you recommend and quote? Please respond to b.walther@sbcglobal.net. Thanks. Bill. **** Hidden Message ***** William Walther 76006 USA Company: Parkland Hospital E-mail: b.walther@sbcglobal.net **** Hidden Message ***** b.walther@sbcglobal.net