300mm or 900mm lengths of 40mm Class 12 PVC Pressure Pipe for Pools and Spas – Short Pieces
40mm CL12 PVC has an OD of approx 48mm.
PVC Pressure Pipe is widely used for irrigation and water supply for domestic and commercial applications. There is a grading system with pressure pipe which is basically different thicknesses for different areas and the different gradings of Class 9, Class 12. Class 12 is recommended for all Spas & Pools, especially for warm water.
Note for non-plumbers: Please See This PVC Pressure Pipe Dimensions Info, as PVC Pressure Pipe uses “Nominal” names, and does not measure what it’s called.