The MST-03 5 Gallon Manual water dispenser is middle size design.
Compare with MST-01 big size, the volume is smaller, portable, lighter and more portable, cost-performance.
It can quickly install on the 5 gallon bottled and easy remove it.
The small size MST-04 bottle manual pump is with food grade material,
Fits mostly all 5 or 6 gallon bottles Dispenses as quickly, no batteries needed
Manufactured with Food graded drinking water quality plastic
Does NOT fit: Plastic water bottles with 53mm caps