Conservco A-G12S-CK Self-Priming Manual Siphon   Syringe Ultra Water Removal Pump with  12-Inch  Chamber and  8-Inch by 1/2-Inch Inlet/Outlet Tube
Syringe Ultra Manual Siphon Pump - 12" pump chamber; 8" by ½" inlet/outlet tube; Ideal for removing (or adding) water from (to) tight spaces; Can move a gallon of water in just four strokes; Constructed from heavy-duty, corrosion-proof materials; Self-priming; Durable; Long-lasting.