... Origin:Guangdong China (Mainland)Brand Name:SINA EKATOModel Number:one stage RO 500L /Hmaterial:stainless steelPackaging & Delivery Packaging Detail:plywood packing ... low. 3,finshed water under good electric conductivity ,one stage ≤ 10us/cm,two stage around 2-3 us/cm,EDI ≤ 0.5us ... or service at your esteem company. CG-RO-10T two stage water treatment