The Caddy allows waterfed cleaning wherever there is access to a water supply. There are several Caddy configurations, from those that use only de-ionisation (eg for soft-water areas) to those incorporating reverse osmosis.
In 1997, Ionic Systems introduced The Reach & Wash® System. The Zero System uses clean water with zero parts per billion (0ppb) to provide the best spot-free results. From $139 Per week Cold System. Thermopure Upgrades on this available From $183 per week.