The 4MJ-16MM fitting with Washer and O-Ring from Fittings Unlimited Inc is designed for secure and efficient connections. This 4mm male joint fitting features a 16mm size, making it compatible with a variety of systems. The included washer and O-ring provide enhanced sealing, ensuring leak-free operation in demanding applications. Made from high-quality materials, this fitting is built to last, offering resistance to corrosion and wear. Ideal for both commercial and industrial use, it meets industry standards for performance and reliability.