The 6TUBE-4TUBE Union Straight Fitting from Fittings Unlimited Inc is designed for efficient tube connections in plumbing applications. Featuring a 6TUBE size and a 4TUBE connection, this fitting ensures a secure and leak-free fit. Constructed from durable materials, it provides excellent resistance to wear and corrosion, making it ideal for both residential and industrial use. Its compact design allows for easy installation in tight spaces, and it meets all relevant industry standards for safety and performance in water, gas, and air systems.