Diamètre Ø : 12
BS8500, 9254813130, 9254813120, 9254813190, 2147775, 1424306, 1427480
BZ6621, 4253250610, 81504106118, 81504106125, 81504106160, 81504106217, 5000560850
K2B0522X50, 9254321170, 9254922090, 9254922210, 10571793, 1446061, 1731943
BS3547, 4231067000, 4235060810, 81511016467, 81511016483, 20708819, 1542893
BS7309, 9254600000, 9254601210, 9254601200, 0154204718, 1505439