This listing is for a brand new Prevost 1/2" NPT compressed air tool in-line oiler / lubricator. This lubricator has a 8 oz oil capacity for air tool oil, it has a fill cap on top along with a oil flow adjustment to control how much oil goes into your air line along with the sight glass so the oil level in the bowl can be checked easily. With the flow adjustment you can increase or reduce the frequency of the drops of the lubrication oil that are being drawn into the air stream by the passing of compressed air threw the lubricating head .

This is a must have for any mechanic or person that uses a lot of air tools or machinery that needs lubricated. Installing this oiler in your air line will extend the life of your air tools.