The 18MM w/Wash&OR-8FP Str from Fittings Unlimited Inc is a specialized fitting designed for secure connections in plumbing systems. Featuring an 18mm size with a washer and O-ring, it ensures leak-free performance. Made from durable materials, it provides excellent resistance to pressure and temperature variations. This fitting meets industry standards for safety and reliability, making it ideal for HVAC and plumbing applications. Its user-friendly design allows for quick installation, making it a must-have for professionals.