supply of supply & installation of commercial drinking water cooler with built in water purification system having uv & ro filter.supply & installation of commercial drinking water cooler with built in water purification system having uv & ro filter.,supply & installation of commercial drinking water cooler with built in water purification syst em having uv & ro filter conforming following specification.1) body material: stainless steel-ss304. 2) stor age capacity: 80 ltrs or above (min). 3) cooler capacity : 80 lph (min) 4). water cooler unit conforms to : i s 1475-1 or latest. 5) water purifier conforms to: is 14724 or latest. 6) numbers of free service during warr anty: 02 nos (minimum) along with consumable filters with free of cost. 7) voltage- input 230 v ac and 24 / 48 v dc output.(make aquaguard, kent or equivalent, model-aquaguard pure chill 80 ss ro+uv+cuzn or