The 4MJ-6MBPP with Wash. O-Ring Straight fitting from Fittings Unlimited Inc is a versatile solution for fluid connections. This fitting features a 4mm to 6mm transition, ensuring compatibility with various piping systems. The integrated O-ring provides a secure seal, preventing leaks and enhancing performance in demanding applications. Constructed from high-quality materials, this fitting meets industry standards for durability and reliability. Its straight design allows for easy installation and maintenance, making it an essential component for any fluid transfer system.