1. ISO15552 (formerly ISO6431) 2. The piston sealing port is connected by two Y-shaped covers to the sealing joint, which has a compensation function, long life, and low tension;3. The head tube has a rice-shaped shape and a pull rod, and has good anti-corrosion performance;4. Left Tank Street. Whale Pingtian;5. Various specifications of chlorine cylinder and oxygen cylinder installation accessories are available for customers to choose and use. Category: Double Outlet Cylinder, Brand: Airtac, Series: SID