specification: Model: AOK-20B Material: Die-cast aluminum color: blue Liquid inlet interface: 1 / 2BSP Outlet interface: 1 / 2BSP Maximum working pressure: 16Bar Maximum working temperature: 100 ℃ Maximum emission capacity: 400L / H Features: 1.The structure of the AOK20B compressed air condensate automatic drain is significantly different from the traditional mechanical automatic drain, which is a continuous drip drain. 2. Compressed air condensate automatic drain is a pure mechanical automatic drain using a combination of die-cast aluminum shell, which is equipped with a stainless steel floating ball drainage system. Package Contents: 4 x Automatic drain valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.