With a precision controlled outside diameter, it can be easily glued using standard Schedule 40 plumbing fittings and any good, commercially available PVC glue (we recommend the Gorilla Brand cement) for flexible or rigid PVC. 2"x25Ft White Flexible PVC Pipe It can also be used as a protective liner for softer hoses or tubes, or for smaller diameter hoses or tubing. It also coils easily for storage and transport. Each fitting eliminated with this highly flexible pipe is one less fitting that can fail and cause your system to leak.