80ft PVC Central Vac Pipe (ten 8' tubes)Industry standard central vacuum pipe for seamless connections into central vacuum elbows connection fittings. Central vacuum pipe is thin, only 1 16" thick with a 2" outer diameter whereas SCH 40 (schedule 40) PVC pipe is measured by inner diameter and is thicker (3 16"). Made from virgin PVC. Manufactured to ASTM F 2158 standards and has no schedule rating or pressure rating since it is not irrigation related. If you need a complete lift of pipe