This listing is for a Pack of 5 WRAS approved Brass fittings are compatible with various types of pipes, including copper, PVC, and PEX, providing flexibility in plumbing system design and installation. Brass fittings are relatively easy to install, requiring simple tools such as wrenches or pipe wrenches for tightening, reducing installation time and labor costs. Brass is inherently resistant to corrosion, making brass fittings ideal for use in plumbing systems exposed to moisture, chemicals, or harsh environments., Manufacturer: Cubralco