Diámetro Ø : 20
-, -
-
BS9404, 9254601000, 9254600340, 0184205518, 81504106820, 1935449, 1505440
BS9500, 9254610300, 9254610310, 0204204218, 81504106660, 1516660, 1526609
9253241010, 0084208518, 0084209218, 0074206018, 0094209618, 7302881