Product Diameter: 8mm Recommended oil: machine oil. Material: ABS plastic Operating temperature: 60 C. Package Content: 1 * Air Pressure Regulator 1. High precision and durable pressure reducer. This air filter regulator trap is constructed from professional-grade metal and plastic, ensuring high accuracy and a long service life. 2. Spray Effect Compressed Air Water Separator - The lubricant pot allows the oil to achieve a spray effect, delivering vaporized oil to air tool components, thereby extending their lifespan and improving performance. 3. Easy to use - Compressed air pressure regulator - The compressed air control valve is easily adjustable and secure. The oil is finely atomized for smooth operation, making the product very user-friendly. 4. Max flow for compressed air: 650 l / min, adjustment range: 0.5 to 8.5 bar, manometer for setting operating pressure: 10 bar - Operating range: 5 C to 60 C. 5. Usage scenarios: suitable for compressed air compressors, pneumatic tools, gas connection installations, and efficient filtration of air humidity.