Administering oral fluids to large animals requires a reliable and fast-acting pump. This pump addresses the two major issues that metal stomach pumps have. No O-rings or washers, and the funnel end of the stomach tube snaps on tight to pump adapters. The pump is very lightweight plastic, but durable for all-weather use. The “Thirsty” pump has a stroke volume of 8 oz. and delivers fluid on both up and down strokes. The pump has adapters for stomach tube attachments. The smaller adapter attaches foal and small tubes. The larger adapter attaches medium and large stomach tubes. 7.2 oz., 20-1/4”H x 1-1/2” diameter.