With 8 years experience in the bottled water cooler business I could see that there is a greener, more environmentally friendly way of hydrating the workplace.Chlorine does a great job of protecting our drinking water on it's journey to the tap. If chlorine and other impurities can be removed by filter at the point of dispense then we can all enjoy drinking water every bit as pure as Natural Spring or Mineral water which up to now often arrives in weekly deliveries by heavy vans, in heavy plastic bottles which take up valuable storage space.Mains fed water coolers once installed are usually trouble free and only require a visit every 6 months to sanitise and change the filter.If you currently have a bottled water cooler and use three 19ltr bottles per month, then a plumbed-in,mains fed water cooler is likely to cost less