... Packaging:5 piece/CartonNegative ions:ozoen generator (ozoniser):1,Use high-quality enamel casting tube, the ... , more health; 9,Small space, water, gas dual-use, simple operation, can be standing or hanging, ... of the body.(3) Could catalyst:Namely Natural Catalyst, a new air purifiecation materials to ... the photocatalyst. It is the most commonly home- use material adsorption of aldehyde at the present ...