1、Air Compressor Filter: Removes water, oil, and dust particles from compressed air to guard and extend the life of your pneumatic tools, ensuring optimal performance. 2、0 to 150 PSI Gauge: This air filter pressure regulator comes with a 0 to 150PSI pressure gauge, allows you to regulate the air pressure for various applications, providing precise control. 3、1/4 Inch NPT Port: Equipped with 2 standard 1/4 inch NPT ports, this air regulator is compatible with a wide range of pneumatic tools, ensuring secure connection. 4、Easy Flow Control: With a plastic adjustment knob, the air pressure regulator allows for smoothly and precise flow settings, the knob has a locking feature to prevent unintentional adjustments. 5、Reliable Material: Made of sturdy ABS material, this air compressor filter ensures long lasting performance and is resistant to corrosion and impact.