This Vevor pipe fittings set includes 12 straight push-fit brass connectors designed for fast, reliable plumbing connections. Compatible with PEX, copper, and CPVC pipes, these fittings are suitable for heating systems, shower systems, outdoor hoses, and other water line applications. The solid lead-free brass construction helps resist corrosion, wear, and high temperatures for long-lasting performance. Each fitting is rated for up to 100 psi and 179.6°F, making the set suitable for residential and commercial use. Installation is simple with a push-fit design that requires no welding, clamps, glue, or special tools.