Water switch is the best selling point that you would stop the water anytime.
It may be a must-have when you are camping or school sports on the playground that it is impossible to take a water dispenser with you.
You push it down and there are a rubber ring and a plastic screw-like thing that tightens it down, so it can fit many sizes.
When in no use, please turn on the cap hanging on the elbow, for anti-dust and anti-splash.
How to use:
1. Clean the pump and tubes, boiled water for 3 minutes would be best.
2. Connect the tubes, 2 or 3 ones according to the height of your water jug.
3. Connect the tubes and the pump, and push the pump to the neck of the bottle.
4. Adjust the locking nut to tighten to secure the pump to the bottle and create a proper vacuum.
DRINKING WATER PUMP: Snap-on top water jug, 55mm, fits mostly all 3 or 5 or 6-gallon bottles, adjust the locking nut tighten on the pump to create a proper vacuum and keep away from germs.UPDATED DESIGN: Manual dispenses quickly or slowly as you would like, and a water switch to stop it anytime. BFA FREE: Prime plastic material, durable, healthy, airtight seal so just 1-2 light touches for pumping create water quickly. Water bottle pump easy to assemble, pump tubes are removable for easy cleaning. WIDE OCCASION: Easy use provide convenience for taking out, the best choice for the office, home, kitchen, school, camping and so on.