SHIPPED REGULAR GROUND ONLY.
Ten pipes, four feet long. Central vacuum installation pipe is used for seamless connections with central vacuum fittings. Unlike Schedule 40 PVC tube, this is thin walled and has a 2" outer diameter whereas SCH-40 plumbing pipe is thicker and measured by inner diameter. Use for installation, repairs, relocating a valve, adding a valve, exhausting, etc. Be sure to get extra PVC couplings (below) to fit it all together. This vacuum tubing is 2-inch outer diameter. Manufactured to ASTM standard F2158.