The Lasco 449-010 Schedule 40 PVC plug is designed for compatible plumbing applications using a 1 inch spigot connection. A spigot plug like this is useful because it helps seal a socket-style fitting or opening while using a connection style that installs similarly to pipe inserted into a socket.This fitting is often used where a solvent-weld closure is needed without switching to a threaded plug. Installing the proper Lasco spigot plug can help create a cleaner finish and support a dependable line closure.This Schedule 40 PVC plug is a practical component for plumbing systems that need reliable 1 inch spigot-style closure in repair or installation work. Lasco Schedule 40 PVC plug 1 inch spigot connection Helps close off compatible socket-style openings Useful where a glued closure is preferred Supports cleaner and more dependable plumbing sealing