1,Air diffuser is one kind of electrostatic elimination device which is designed for compressing air and eliminating atatic electricity and must. ? 2,it is particularly suitable for situation and enviroment where people can not get close to.the general function is to adjust diffuse surface of air flow ,control air voulme and filter air and so on. ? 3,Based on different requirements and usage,there are aluminium air out-let,return-air inlet diffuser,swirling air diffuser,curved air inlet,aluminium window shade and ceiling access opening and so on.