The 4MOFS-5MB STR fitting from Fittings Unlimited Inc is a reliable solution for fluid transfer applications. This fitting features a 4mm male O-ring and a 5mm male branch, designed for secure connections. Constructed from high-quality materials, it offers excellent durability and resistance to wear. Its straightforward design allows for easy installation in various systems, making it a versatile choice for both professionals and DIY enthusiasts. This fitting meets industry standards, ensuring compatibility and performance in demanding environments.