supply of [direct evaporative air cooler of 4000 cubic meter per hour air delivery capacity, having 450mm sweep sized blower fan driven by 280 watt, 220v 50 hz ac supply operated single phase induction motor, made of polyester powder-coated exterior and interior heavy duty galvanized steel sheet body, tank capacity 80 liters and fitted with honey comb pads and suitable water pump and float valve. steel body cooler confirms to is 3315 or latest, galvanized sheet of cooler shall be isi marked and confirming to is 3315 : 2024 with latest ammendment] , direct evaporative air cooler of 4000 cubic meter per hour air delivery capacity, having 450 mm sweep sized blower fan driven by 280 watt, 220v 50 hz ac supply operated single phase induction mo tor, made of polyester powder-coated exterior and interior heavy duty galvanized steel sheet body, tank ca pacity 80 liters and fitted with honey comb pads and suitable water pump and float valve. steel body coole r confirms to is 3315 or latest, galvanized sheet of cooler shall be isi marked and confirming to is 3315 : 2 024 with latest ammendment [ warranty period: 12 months after the date of delivery ] ] , direct evaporative air cooler of 4000 cubic meter per hour air delivery capacity , having 450 mm sweep sized blower fan driven by 280 watt , 220v 50 hz ac supply operated single phase induction m otor , made of polyester powder-coated exterior and interior heavy duty galvanized steel sheet body, tank capacity 80 liters and fitted with honey comb pads and suitable water pump and float valve . steel body co oler confirms to is 3315 or latest, galvanized sheet of cooler shall be isi marked and confirming to is 3315 : 2024 with latest amendment [ warranty period: 12 months after the date of delivery ] ] , direct evaporative air cooler of 4000 cubic meter per hour air delivery capacity , having 450 mm sweep sized blower fan driven by 280 watt , 220v 50 hz ac supply operated single phase induction m otor , made of polyester powder-coated exterior and interior heavy duty galvanized steel sheet body, tank capacity 80 liters and fitted with honey comb pads and suitable water pump and float valve . steel body co oler confirms to is 3315 or latest, galvanized sheet of cooler shall be isi marked and confirming to is 3315 : 2024 with latest amendment [ warranty period: 12 months after the date of delivery ] ]