Features 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. TRANSPARENT PLASTIC: The oil water separator is made of transparent plastic, with good toughness, corrosion resistance and easy observation. EASY CONNECTION: Equipped with stainless steel screws, which can connect the lower end of filter and oil water separator, rust and corrosion resistant. GOOD FILTERING: The air compressor drainage valve is equipped with floating ball device and filter screen to ensure good filtering effect. 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 Filter Pressure: 0.3-1.2MPa Diameter: 1/2in Temperature: 1.5-80℃ Package List: 1 x Drain Filter Package List 1 x Drain Filter