Feature: 1. Strong connection, high pressure resistance, tightness and repeatable installation, the installation and maintenance are simple and convenient, and the work is safe and reliable. 2. No welding is needed, which is good for fire prevention, crack prevention, high‑altitude operation and can eliminate the disadvantages caused by inadvertent welding. 3. The 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. 4. Selected high‑quality stainless steel 316 materials, all inspection indicators meet the standards. 5. Break the traditional installation method, double ferrule type installation, environmental protection, reusable, simple and convenient operation, and can be removed freely. Specification: Condition: 100% Brand New Item Type: Double Ferrule Bulkhead Connector Material: 316 Stainless Steel Purpose: Suitable for occasion when water pipes, gas pipes and oil pipes need to be worn through the wall when connectingThread Specification Other TitlesExternal Thread Size Internal Thread Size Error Ф1/2 DN15 20.3mm / 0.8in 19.5mm / 0.8in 0.3mm / 0.011in. Package List: 1 x Double Ferrule Bulkhead Connector Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.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.