Pex Insert Brass Female Adapters - B x FPT are designed for reliable and efficient connections in potable water distribution and hydronic heating systems. These brass insert fittings feature a barb x FPT (female pipe thread) connection, making them ideal for a wide range of PEX piping applications. Manufactured from standard or lead-free brass, they ensure long-lasting durability, resistance to corrosion, and easy installation in both residential and commercial systems.