Shouldered End: 180mm SDR17SE17180
PN16 Backing Flange Galvanised: 900mmBFG16900
PN21 Backing Flange Galvanised: 90mmBFG21090
PN21 Backing Flange Galvanised: 280mmBFG21280
ANSI Polypropylene Backing Flange: 450mmBFPA450
Moulded Cross Piece: 500mm SDR11CLS11500