The Server Express System achieves up to 98% evacuation. Individual pouch supports keep each condiment pouch in place and aid in transporting and set up. Designed for counter-top use. Pump several condiments from one space-saving unit. Holds 1 1/2-gallon Cryovac pouches with fitment. Pumps are constructed of five surgical-quality plastic parts, quick to breakdown and completely dishwasher safe. Maximum stroke yields 1-ounce servings. Easy-to-adjust portion control in 1/4-ounce increments. Two discharge tube fittingsóblack for ketchup and mustard, white for thicker product. NSF approved. Server Products equipment is backed by a two-year limited warranty against defects in materials and workmanship.