Norgren pa2 series nylon hose blue 12mm o d norgren pa2 0512025c this nylon hose is constructed from pa type 12 which is fully plasticised and light stabilised the hose is suitable for general purpose industrial applications as well as air braking systems in commercial vehicles the hose is supplied in a carton that provides good protection and easy storage norgren pa2 0512025c polyamide hose blue 12mm o d