Feature:1. STANDARD SIZE: The air filter of the air compressor is designed manually and automatically, with a diameter of 1/2in and an 8MM quick plug.2. TRANSPARENT PLASTIC: The oil water separator is made of transparent plastic, with good toughness, corrosion resistance and easy observation.3. EASY CONNECTION: Equipped with stainless steel screws, which can connect the lower end of filter and oil water separator, rust and corrosion resistant.4. GOOD FILTERING: The air compressor drainage valve is equipped with floating ball device and filter screen to ensure good filtering effect.5. APPLICABLE RANGE: The applicable pressure range of automatic drain valve is 0.3-1.2MPa, which is efficient and reliable, has a wide application.Specification:Item Type: Drain FilterPressure: 0.3-1.2MPaDiameter: 1/2inTemperature: 1.5-80.Package List:1 x Drain Filter