Диаметр Ø : 30
BS3404, BS3417, 4235050000, 4235050010, 81511016378, 1932639, 0203277400
BZ1800, 340013001
BS7304, 9253840502, 9253840160, 9253840010, 0074203624, 4454107730
BZ6621, 4253250610, 81504106118, 81504106125, 81504106160, 81504106217, 5000560850