The Mankato, Minn.-based Coster Engineering window water vending unit is easily installed into a window, wall or kiosk. The unit is coin-operated and easy to use. The self-service system gives customers 24-hour-a-day access to premium fresh water, 365 days a year. The lockable cash box, located in the cabinet, can only be accessed through a lockable rear cabinet door located inside the premises. This provides triple security. Features include four selection buttons, solid state controller board, LED read-out, etc.


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