Inquiry (采购产品): sealtest Hi, I wanted to know what level of Helium leak or Nitrogen leak your sealtest product can detect? At present we use it and other methods to detect leaks and we wanted to know the smallest leak that can be detected with you product. Thanks Stan Dinkler **** Hidden Message ***** Stan Dinkler VA 23452 USA Company: CONCOA E-mail: sdinkler@concoa.com **** Hidden Message ***** sdinkler@concoa.com