... by a blower.Specifications for 2.2KW down discharge wet air coolerModelALFJ-25FAir volume:28000m³/hrVoltage:380V(customize)Air ... phasesNoise:≤70dBWeight:60KG/85KGTransmission case:Single speedSpare Parts Specification of wet air cooler1) Shell: 100% new PP materials, High ... cooler, high efficiency, low noise, big power, Chassis adopts tensile aluminum, light weight, heat faster.3)Blades:three wind ...