Diametro Ø : 20
BZ1800, 340013001
BS3547, 4231067000, 4235060810, 81511016467, 81511016483, 20708819, 1542893
BS3300, II38572F, 4231047100, 4231047150, 0064205224, 1932621, 1505241
BZ6621, 4253250610, 81504106118, 81504106125, 81504106160, 81504106217, 5000560850