OD: 3/16 1/4 5/16 3/8 1/2 5/8 7/8 Thickness: SWG, Customized Features: Clean surface of internal and external, bright finish, high precision of size, great performance of cooling, high-level of cleanliness and light weight, adaptable to the product, trend of thinner wall thickness, smaller diameter and new types of groove. Applications: Air-conditioner, Refrigeration industry, pipeline system connection, installation and maintenance.
