Extend the life of your air tools by properly lubricating them and preventing damaging moisture from entering. A must for any garage that runs air tools. The coalescing moisture separator removes aerosols down to 40 microns. The lubricator automatically injects oil into your tools and the handy sight glasses makes routine maintenance a snap. This 3/8” NPT Eastwood modular system allows you to remove components without disassembling the entire system. This system includes a moisture separator, lubricator, 150psi regulator and manual shut-off valve.