Summary A blow gun consists of a nozzle, or tip, installed on a compressed air gun or line. On an air gun, the nozzle serves as a quick and efficient tool for light cleaning, drying and blowing off of parts or work areas. On an air line, it can be used to blow out parts or waste, or to dry out parts in an automated manufacturing process.This technical guide covers the use and features of different blow nozzles installed on air guns