BigGulp Manual Siphon Pump - 36" pump chamber; 72" outlet hose; Removes 47 ounces of water per stroke; Constructed from heavy-duty, corrosion-proof materials; Self-priming; Durable; Long-lasting.

Syringe Ultra Manual Siphon Pump - 12" pump chamber 8" by 1/2" 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.