DetailsHand Pump For Bottled Water - NW-500 Hydro Pump. The most dependable and compact pump on the market. Durable construction. Easy to use. Fits 3, 5 and 6 gallon screw and snap cap water bottles. FDA approved materials. Easy to install. Eliminates the need to lift and tip heavy water bottles. Bottle not included. Built in dispensor, eliminating the need to have a seperate dispensor. Makes a great gift. Buy 2 or more and save even more. This is a top quality hand pump.