Pex Insert Brass Sweat Adapters - B x Fit are durable, high-quality fittings designed for use in potable water distribution and hydronic heating systems. These brass insert fittings are made from either standard or lead-free extruded or forged brass, ensuring long-lasting performance and reliability. Featuring a barb x fit connection, these adapters provide a secure and leak-free connection for your plumbing and heating systems. Ideal for residential or commercial applications, they offer easy installation and are compatible with all types of PEX tubing.