Condition: 100% Brand New_x000D_ Item Type: Double Ferrule Bulkhead Connector_x000D_ Material: 316 Stainless Steel_x000D_ Purpose: Suitable for occasion when water pipes, gas pipes and oil pipes need to be worn through the wall when connecting_x000D_ Thread Specification Other TitlesExternal Thread Size Internal Thread Size Error_x000D_ 1/2 DN15 20.3mm / 0.8in 19.5mm / 0.8in 0.3mm / 0.011in 1Strong connection, high pressure resistance, tightness and repeatable installation, the installation and maintenance are simple and convenient, and the work is safe and reliable. 2No welding is needed, which is good for fire prevention, crack prevention, high?altitude operation and can eliminate the disadvantages caused by inadvertent welding. 3The surface of the connector is finely ground by a special process, slick and delicate, the interior is clean and bright, and the tolerance control is accurate. 4Selected high?quality stainless steel 316 materials, all inspection indicators meet the standards. 5Break the traditional installation method, double ferrule type installation, environmental protection, reusable, simple and convenient operation, and can be removed freely.1 x Double Ferrule Bulkhead Connector1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.