Manufactured from virgin linear low-density polyethylene material, made with Fingerprint resins from Dow Chemical Company Inside diameter: .49"100' (30,0 m) stackable coils, marked in 12" increments SPC-100 – High -Pressure Swing Pipe Engineered for high pressures, up to 150 psi Quick and easy installation SPCX-100 – Super Flex Swing Pipe Contractor-preferred maximum flexibility without kinking Textured surface is easy to grip even when wet Engineered for pressures up to 80 psi