Inquiry (采购产品): 4 vent pipe I was wondering if you have a 4" PE vent pipe detail...preferably in cad format. If not a pdf file would work. Thanks. Chaz C.M. Archer Engineering St. Jmaes Mo. **** Hidden Message ***** chaz loughridge 65401 USA Company: CM Archer E-mail: cloughridge@cmarcher.com **** Hidden Message ***** cloughridge@cmarcher.com