- Efficient Moisture And Contaminant Filtration: This inline oil water trap filter effectively separates moisture and captures solid particles such as pipe scale and rust, guaranteeing a clean dry air supply for your airbrush and pneumatic tools, preventing paint contamination and equipment damage. - Standard 1/4 Inch Thread Compatibility: With 1/4 inch threads, this air regulator gauge and filter combo offers general compatibility with most airbrushes, spray guns, and pneumatic tools, making it a practical addition to any workshop or studio. - Transparent Bowl For Visual Monitoring: The clear filter bowl allows easy inspection of accumulated moisture and debris, enabling quick maintenance and helping prolong the service life of your airbrushing and spraying equipment. - Dependable Copper Construction: Built from durable copper, this filter and regulator set delivers reliable performance and consistent air pressure control to support precise application in detailed airbrushing and spray painting projects. - Use Scenarios: - Hobby airbrushing of models and miniatures requiring clean, dry air. - Automotive touch-up and fine spray painting where moisture can affect finish. - General workshop protection for spray guns and pneumatic tools from moisture and contaminants.