... effectively. It can remove the harmful substance from tap water,like impurity,colloid, sediment,rust,suspended.It can ... ,White,Gold,Silver,Dark Grey.Flow control valveManual or automatic (control valve with backwash and fast rinse function) ... ’s water quality request. Water Softer (sand + resin), UF + activated carbon, UF + activated carbon + KDF etc. Central Water Purifier With Water Tap Connection ...