do you know the danger of overnight water in the tap?
“for most people, the first thing after getting up in the morning, often open the tap to wash your face,brush your teeth, boil water. as everyone knows, just let out the water may hide a "health killers". "do not use the best retention in the tap 'overnight water', every morning to open the tap, you can first empty for a while, the water used to flush the toilet, mopping the floor etc.. in addition, a connecting hose, a valve core tube in the small accessories, but also relates to the safety of drinking water, must select the qualified products." county water group ......