Tender For supply of ro & uv both drinking water coolers with built in water purification system, storage capacity : 80 litter, body material : ss304, uv lamps rating (watt) : 11, evaporator material : pure copper number of faucets ; 2, insulation : puf, length : 50 centimetre, material of faucets : ss, storage tank material : stainles s steel 304, condenser material : copper, no of uv circuit purification : 1, water filter type ro & uv both, no of membrane rating in gpd : 4, cooling capacity, ltr/hr : 60, stages of purification : sediment purification, c arbon block purification, anti sealant purification, reverseosmosismembrane purification, post carbon bloc k filtration, uv purification, warranty : 1 year, number of free services during warranty : 2, installation and d emonstration to be given before acceptance : yes, availability of toll free facility for technical support maint ained by oem or authorize agency : yes, make:- voltas, blue star, aqua guard pro, [ warranty period: 30 months after the date of delivery ]