Boshart 1" x 3/4" Reducing Insert Coupling is a high-quality plumbing fitting designed specifically for use with polyethylene pipes in buried cold water applications. Crafted from durable polypropylene, this coupling excellent corrosion resistance, making it i for outdoor and underground installations. It is widely used in irrigation systems, water supply lines, and other water distribution setups where polyethylene pipes are preferred. Choosing the right fittings like this ensures reliable, long-lasting, and leak- connections for your plumbing projects. Model Number: UPPRC-1007