About This What's Included in the Package: the package comes with 2 sets of air compressor drain valves, which is sufficient to meet your using and replacing needs, you can also share them with others Reliable and Sturdy: the auto drain valve is mainly made of brass, sturdy and firm, solid and strong, safe and reliable, not easy to deform or break, which can serve you for a long time Specific Information: the automatic drain valve is equipped with a wire for connecting the power supplies, which is matched with AC110V, you only need to install it on the tube directly, convenient for using Timing Drain Valve: the drainage time of the automatic timed tank drain valve is about 0.5 - 10 seconds, the interval time is 0.5 - 45 minutes, you can adjust the time according to your needs, time saving and labor saving Practical for Use: this timed drain valve can connect 2 tubes with different diameters, however, the direction can not be changed, which can be applied to commercial use and factory use
