1 m kg riser pipe DN315 or DN400 pipe variant: variant 1 – DN315 kg riser pipe for KG manhole base body nominal width: DN315 length: 100 cm material: PVC (polyvinyl chloride) variant 2 – DN400 kg riser pipe for kg shaft base body nominal width: DN400 length: 100 cm material: PVC. (Polyvinyl chloride) )