1、Internal Electrophoresis Treatment: This automatic drain valve set features an internal electrophoresis treatment to resist oxidation and an upper air vent design to prevent air blockage. 2、Manual Automatic Integration: Our automatic drain valve set adopts the manual automatic integration design. Only drainage without exhaust, saving the trouble of disassembly and cleaning impurities with one click. 3、Large Drainage Aperture: Front filter, double layer filtration and anti blocking, drainer with large drainage aperture, not easy to block, ideal for compressed air equipment drainage spare parts. 4、Applicable Scenarios: Drainer can be used in compressed air equipment and pipelines, no compressed air loss, can always automatically discharge the condensate generated inside out of the compressed system in a timely manner to keep the compressed air dry and clean. 5、Aluminum and Brass Material: Our automatic drain valve is made of aluminum alloy and brass material with excellent craftsmanship, no electricity required, no noise, strong and durable.