This McALPINE Universal Overflow Pipe Connector Coupling is a high-quality fitting for pipes ranging from 19-23mm and 3/4\" in diameter. It is designed to provide a secure and reliable connection for your plumbing system. The brand McALPINE is well-known for its durable and long-lasting products, making this connector a great choice for any plumbing project. The product is suitable for use in various plumbing applications, including commercial and industrial settings. Its universal design allows for easy installation and use, while its high-quality construction ensures optimal performance and reliability. If you're looking for a reliable and durable pipe fitting, this McALPINE Universal Overflow Pipe Connector Coupling is an excellent choice.