Feature:1. Smart Drainage: The floating ball inside enables automatic drainage in accordance with the liquid level, quick in response.2. Reliable Using: No need for electricity, the low noise auto drain valve ensures no compressed air loss or clogging in work.3. Better Designs: Designed to have DN15 inlet and outlet, the air compressor drain valve with 20bar maximum working pressure.4. Great Material: The application of premium aluminium alloy material and exquisite workmanship promises excellent durability.5. Easy to Install: Comes with a light weight and a compact size as well, the installation can be quickly finished in minutes.Specification:Item Type: Drain ValveProduct Model: AOK20BInlet Diameter: DN15Outlet Diameter: DN15Maximum Working Pressure: 20barMaximum Operating Temperature: 100℃.Package List:1 x Drain Valve1 x Accessory