The 1.31" x 1.54" Comp Coupling is a durable and reliable solution for connecting pipes in various plumbing systems. This coupling is designed to provide a secure and leak-free connection, ideal for transitioning between different pipe sizes and types. Made from NSF-approved material for potable water, it ensures safe and reliable operation in residential and commercial plumbing applications. With a high pressure rating and compatibility with pipes ranging from 1.31" to 1.54" in outer diameter, this coupling is a versatile choice for maintaining the integrity of your plumbing system.