... Advantages: 1). No heavy metal additives, not be covered with dirt, not be contaminated by bacterium 2). Resistant to chemical ... tee.4.Butt-fusion same-floor water drainage fitting series (Injection Molded)45°Skew tee ,45°Elbow ,Off centre reducing couple ... plate1.6Mpa),Rubber Gasket,Steel core ball valve,Double union ball valve,Stop valve(normal),Stop valve(over-and-under type),Water separator ,Flange ...