Whole brass material, lead free brass can meet American and European standard Single ball head joint, the ball head joint connect the tread part with housing part, make the aerator longer to enjoy bigger swiveling range Dual spray, easily twist the aerator housing part to change two kinds of water streams, the switching lifetime can promise up to 25000 circles Water conservation, can save up to 30%-70% waters, different water flow rate can be chose from Xiamen Jandao Technology