PN16 Backing Flange Galvanised: 500mmBFG16500
Table D Backing Flange Galvanised: 75mmBFGD/E075
PN21 Backing Flange Galvanised: 400mmBFG21400
PN16 Backing Flange Galvanised: 315mmBFG16315
Table D Backing Flange Galvanised: 32mmBFGD/E032