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Harvey Norman Electrical & I.T World Expo 2 - 4 Oct 2015 Honeywell 18250 Air Purifier, EuropAce EDH358B Air Purifier, Dyson Purecool AM11 Fan, EuropAce EAC393 Air Conditioner, EuropAce ESF-L161 Fan, Panasonic F-407YS GD Fan, Cornell CAC-71 Air Cooler