[Two Types] This product has two types, one is with single head and the other is with two heads. They both provide a soft, comfortable spray based on the principle of retarding pressure, while the dual head one has stronger flow. [Double Layer Filter] This eye washer is equipped with double layer filter, which can filter impurities in the water and protect your eyes. [1.5m Stainless Steel Hose] This handheld eye washer is equipped with a 1.5m stainless steel hose, which enables users to wash within this distance. [Material] This washer is made of thick plated copper, which makes it durable and strong. [Wide Appllication] This product can be widely applied to nuclear power, power station, pharmaceutical, medical, chemical, petroleum, electronics, smelting, printing and dyeing, education and scientific research units, industries or fields.