Inquiry (采购产品): 1 1/4 CHECK VALVE I NEED TO REPLACE 2 POKORNEY 1 1/4" CHECK VALVES ON A BEACON MEDEAS LIQUID RING MEDICAL VACUUM PUMP. PLEASE ADVISE. **** Hidden Message ***** Peter Green 11758 Company: Clinical Delivery Systems, Inc. E-mail: pgreen@clinicaldeliverysys.com **** Hidden Message ***** pgreen@clinicaldeliverysys.com