supplying water cooler and uv purifire vp boisar tal palghar , a ) supplying erecting resting and commissioning self contaied water cooler 230 / 250 v 50 cycles nomonal cooling capacity of 40 liters hand storage capacity 80 liters with partially stainless steel body complete specification and supplying and erecting ultra voilet water purifier with softener for safe drinking water consisting of uv germicidal tube of 8 w capacity, choke made of copper wire, two indicator lamps, dual function cartridge with output of purified water 2 liter / min. with activated carbon filter and softtener operating on 230 v single phase ac supply