The 3/4" PEX x 3/4" PB Transition Coupling Less Rings by Braxton Harris is designed for seamless connections between PEX and PB piping systems. This lead-free coupling ensures safe drinking water applications, complying with health standards. Constructed from durable materials, it provides reliable performance in various plumbing installations. The coupling is designed without rings for flexibility in installation, allowing for easy adjustments. Ideal for both residential and commercial plumbing projects, this transition coupling is a practical solution for modern plumbing needs.