Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. Lead Fit-All Plug is a threaded fitting that is designed for installation in cast iron piping applications. The plug can be used temporarily and permanently. It has a screw-on connection. Cast iron construction offers years of reliable use Effectively withstands working pressure up to 50 PSI Threaded end provide watertight joints Cast-iron cored 4 in. size 3.88 in. O.D. at top of fitting 1.88 in. height 1.25 in. nut Size is a true measurement and not the iron pipe size Easy to install Compatible with cast iron pipe Suitable for permanent and temporary use Screw-on connection For non-potable DWV applications Available in a variety of sizes to suit your needs fitting, connector, plug fitting, plug connector, black fitting, black connector Enjoy the 4 in.