The 6MOFS-4MBPP w/Pef.Seal Str. fitting from Fittings Unlimited Inc is a straight fitting designed for optimal fluid sealing. Featuring a 6mm male O-ring and a 4mm male pipe connection, this fitting is ideal for applications requiring a secure and leak-proof seal. Constructed from durable materials, it ensures long-lasting performance and resistance to various chemicals. The fitting complies with industry standards, making it suitable for a wide range of systems. Its design includes a Pef seal, enhancing sealing capabilities and reducing the risk of leaks in critical applications.