PN16 Backing Flange Stainless: 400mmBFS31616400
DIN16 Backing Flange Galvanised: 50mmBFGDIN16050
Table D Backing Flange Galvanised: 75mmBFGD/E075
PN21 Backing Flange Galvanised: 160mmBFG21160
Table D Backing Flange Galvanised: 32mmBFGD/E032
DIN16 Backing Flange Galvanised: 280mmBFGDIN16280
DIN16 Backing Flange Galvanised: 40mmBFGDIN16040