Diamètre Ø : 27
BZ6621, 4253250610, 81504106118, 81504106125, 81504106160, 81504106217, 5000560850
BS3404, BS3417, 4235050000, 4235050010, 81511016378, 1932639, 0203277400
BZ6425, I76463, I764631, I764631AT, 1B43151, BZ6422, I69689, 81504106188, 81504106133