... Enamel 3.20mm,25mm,32mm 4.BS4568,BN50086,BS31 Item:Pipe Inspection TeeMaterial:Malleable IronFinish:Hot-dipped galvanization,Electro galvanizing,Black ... EnamelSize:20mm/25mm/32mmMalleable inspection tees,to BS4568 and EN50086 standards.Best quality and ... brands.Our factory makes all the conduits fittings and pipe accessories. Pipe Inspection Tee