3.17 Water‐tight Sleeve(Water Resistant Sleeves,Water String)

A water‐tight component to prevent ground water from seepage at locations where the pipe passes through building(sdringe)wall. sZvBOWxrWnLDOX/iIh/rFXeM43SkhjIERlR2INlgkslyenPKcw6Fc6gt+8dJgHgF