A kit designed specifically to solve the issue of undrinkable water in larger water tanks. 
A simple modification to your existing van allows you to have an additional tap providing safe fresh drinking water from you smaller 10lt water container.
Kit comes with
Battery charged tap.. no additional wiring required just recharge on USB when the battery runs low.
1 x Tap
1x 10Lt water container 
2mts x food safe water pipe
1 x Worktop tap mount.