(Construction Material Solid zinc alloy construction with chrome finish, rust resistant, always looks like new. (Hand push design) Push type Manual shut-off valve, convenient to use, flexible, saving a lot of water, environmental protection.Extended time manual shut-off valve, lasting 4 to 8 seconds. (Modern design) Automatic closing shut-off valve Applicable for washbasin and sink.Fashionable and exquisite design, perfectly suitable for your bathroom bath. (Easy to install) Mounting opening: DN15/20MM.easy to install with some installation parts included. (Convenient and hygienic) Rinsing is meticulous, no particular odor is left, effectively avoiding the infection of bacteria. High efficiency urinal with integrated trap. Powerful rinsing action by washing.