The 4 Sleeve Socket-4 Hose Barb from Fittings Unlimited Inc is a reliable solution for fluid transfer applications. Designed to fit a 4mm hose, this fitting ensures a secure and leak-proof connection. Its robust construction guarantees durability, making it suitable for various environments. This socket is easy to install and compatible with multiple hose types, providing versatility for both professional and DIY projects. Meeting industry standards, it offers peace of mind for your plumbing needs.