The 1-1/4" NY-Glass Female to 1-1/2" Coupler by SEALFAST is engineered for versatile plumbing applications. Constructed from durable NY-glass composite, this coupler provides excellent resistance to chemicals and environmental factors. Its unique design allows for a seamless transition between different pipe sizes, ensuring compatibility with various systems. Ideal for both residential and commercial plumbing, this coupler meets industry standards for quality and performance, making it a reliable choice for secure connections.