VDF air-operated, adjustable spray nozzle controls spraying of liquids and/or fine powders for coating tablets, pills, pellets, candy, foods, and more. Spray nozzle is field adjustable enabling operator to control spray pattern, material powder throughput or droplet size. Whether material is liquid or powder, nozzle can produce a fine mist or a heavy flow in amounts from 10cc/min up to 2 GPM. Vaccon Company, Inc. 32 Rear Spring St. Medfield, MA, 02052