... Built-in filter,7. Waterproof components,8. Complies with Food Premises Standard Features of Infrared automatic sensor faucets ... in families, offices, stations, hotels, hospitals etc.FeatureMixer with hot and cold water.National PatentZL2007200068368Water supply pipe sizeDN15 ( ... in R&D, production and sales of infrared sensor modules. With around 10 years development experience, we have gained ...