What are Water vending machines! Is it profitable? First of all let's know about that machine. These are specifically designed to provide clean and healthy water at a reasonable rate. These water vending machines are installed in public places like airports, hospitals, restaurants, etc. The machine takes the freshest grade water which is allowed by the authority concerned and distributes it to its clients under very restricted conditions. Chemfree Systems Inc is a manufacturer and supplier of this product at a cost affordable rate. You can also manage it for further income. Make a call at (+1)-800-735-2831 and get the detail manual for your requirements.