Preval Spray Guns are simple, easy and inexpensive ways to apply paint or varnish. Just fill and spray up to 16 ounces of any liquid. Excellent for gel coat and touch up jobs. This handy portable tool can spray all kinds of liquid solutions such as paint, lacquer, solvents, stains, oil, cleaners, insecticide, fertilizer, disinfectants and even clear water. Comes complete with 1 power unit and an 8oz empty glass fluid jar. There is also a replacement power unit available.