1. Brand new and high quality
2. Corrosion-resistant PE body, fiberglass operating lever and pure copper bottle mouth, suitable for holding normal soda acid liquid but not acid alkali
3. The large capacity can hold more water and save your time to keep adding water
4. The volume of water can not surpass the maxmium volume of the bottle and make sure the level of water under the warning line( the distance between warning line and the top of bottle is 8cm)
5. You need push 15-20 times to increase the pressure in the bottle when filling up in the maxmium volume of water