supply of supply , installation , testing and commissioning of air conditioner slim line / tower type capacity 4 ton with supply of all materialssupply , installation , testing and commissioning of air conditioner slim line / tower type capacity 4 ton with supply of all materials, supply , installation , testing and commissioning of air conditioner slim ine / tower type capacity 4 ton with supply of all materials. tonnage-4 tr, power supply-3 phase, 50hz, 415 v, rated current ( cooling ) - 10.9a ( approx ) , refrigerant- latest eco-friendly. warranty- 1 year. make- voltas, samsung, hitachi, carrier, mitsubishi, lg, ifb, blue star, lloyd or similar. [ warranty period: 12 months after the date of delivery ]