1/2-in FIP Black Iron Union -17279

166U12

1/2-in FIP Black Iron Union -17279. Bulk is available to buy in increments of 25. Unions do exactly what they are named to do, join two pipes to form a secure union. General uses for this product are for transporting lubricant, oil, grease, LP gases & fuel or to create your own DIY projects. This fitting is not designed for potable water applications.