... water-saving 4.blister packing water valve 1.CE,ISO9001,ISO140012.DC,3V,3.energy-saving,water-saving 4.blister packing Water volume regulator brass angle water ... instide can prevent the impurities2. To prevent the water re- gorging ,check valve is fixed in ... clockwise for much water, turn anticlockwise for less waterCertification: CE,ISO9001,ISO14001 Water volume regulator brass angle water valve (FW- ...