requirement of new ro plus uv water cooler cum purifier machines 3nos in the in the annex building at carmichael hall ug and pg, 51, baithakkhana road, kol-09. , supplying, installation & commissioning of eureka forbes/kent or equivalent make ro plus uv water cooler cum purifier machine water storage tank capacity 40ltrs with 20ltrs per hour cooling capacity at comfort level, water outlet temperature at rated condition 15+_1 degree celsius, 1no. tap (normal or cold adjustable), refrigerant hfc r 134a, active copper zinc booster, 4 stages of filter cum purifier, purified water production capacity 25ltrs (under standard condition), stainless steel body & other necessary accessories for indoor installation.