The Graco Husky (1040/1050) stainless steel, 1", air-powered, diaphragm pump can pump almost anything. Typical applications include: fluid unloading, chemical evacuation, ceramic glaze supply, de-watering and sump evacuation, waste fluid removal, bulk fluid supply, machine coolants, adhesives and sealants, and circulating systems to name a few. This unit can be run dry without causing damage to the pump. Sometimes referred to as a small pump or 1in pump.