... Y Shaped Circular Box Iron,ISO9001 Hot-Dipped Galvanization,Black Enamel 20/25/32mm BS4568,BN50086 Standards Item:Black Enamel Y Shaped Circular ... :1-way,2-way,3-way,4-wayBlack enamel Y shaped circular boxes,to BS4568 and EN50086 standards.Best quality and ... reasonable price.We can produce the black enamel Y shaped circular boxes according to your samples or drawings,also we ...