Hi, We are wanting either multiple 4" air amplifiers (see attached image) or one large 3 meter diameter air amplifier. The 3 meter air amplifier would be the exact same as the 4" models just at a larger scale. Is this possible? Regards. 联系方式Co:Sivart Add:Australia Email:sivart1750@hotmail.com 联系人：ravis国家：Australia产品类别机械五金sivart1750@hotmail.com
