Product Samples 1000mm 160mm 180mm 225mm 250mm 280mm 315mm 355mm 400mm 450mm 500mm 560mm 630mm 710mm 800mm 900mm SDR11 / PN16 SDR13.6 / PN12.5 SDR17 / PN10 SDR21 / PN8 SDR26 / PN6.3 SDR41 / PN4 SDR9 / PN20