CMI inc is a trusted and well-established brand that focuses on delivering the highest grade, price-affordable pipes, pipe fittings, and accessories that are meant to make your job easier, without interfering with safety or results. We rely exclusively on high-end materials and verified manufacturers to meet every customer's rigorous quality expectations. Encountering an issue with your purchase. Tell us all about it and our customer care department will make sure to quickly address any concerns. The CMI inc copper union fittings are an excellent solution for professionals as well as DIY-ers, securing the connection and ensuring smooth, uninterrupted flow for many years. Made of high-end copper metal, potable water safe and rustproof, available in various sizes that perfectly match the pipe width, this copper fitting will come in handy for residential and commercial water systems.