Product Description Package Included. 1x Small Air Pressure Regulator. Specification:. Color: As picture show. Material: Aluminum alloy iron plastic. Size: Total length 150mm (approx.). Type: Pressure Regulator. Feature:. - This is a compact filter for air and spray guns.. - Prevent water pollution from airlines or compressors. - Filter solid impurities in the air, such as pipe size, rust and condensate from the air line.. - The transparent filter bowl provides visual control of accumulated moisture and is removed by a spring-loaded valve on the bottom.. - It is Suitable for your airline or attached directly to the guns to prevent water from contaminating the paint. -Automotive refinishing, boat building, construction, wood/furniture building and basic tools for all industrial work. -Standard 1/4 thread fits most guns and airlines.