Inquiry (采购产品): Duck Bill Valve Please E-mail a quote for 1 - Duck Bill Valve for a gravity sewer line, 12" I.D. with slip-on end and SS band attachments. **** Hidden Message ***** Catherine Glessner 701 Kelly Road Cumberland, MD 21502 USA Company: Alleg. County Dept. Public Works Title: Office Associate E-mail: cglessner@allconet.org **** Hidden Message ***** cglessner@allconet.org