It is recommended to use purified water, with drinking water to do the verification is very cumbersome. To go to the water quality is in line with drinking water standards, because the purification to do a water quality report on the direct use of purified water can be, otherwise to go back to do a drinking water quality report, sampling, testing, reporting.
And hand washing a more best to use 316L stainless steel material induction faucet Valve exterior is made of 304 stainless steel, in line with 3D standards.