Inquiry (采购产品): Double wall pvc We have a ground water extraction project that requires 4" transfer pipe-PVC in a 6" secondary line. Do you have or know where I can find this? Thanks Ken Clevenger Clevenger Construction Co. cleveco1@aol.com cell-626-221-2134 **** Hidden Message ***** Ken Clevenger 1232 S. Valinda West Covina, CA 91790 USA Company: Clevenger Construction Co. Title: Owner Phone: 626-221-2134 Fax: 626-602-3984 E-mail: cleveco1@aol.com **** Hidden Message ***** cleveco1@aol.com