Coupler Material:PVC Standard:GB,ISO Advantage:endurable, nontoxic,pressure proof,facilitating installation CouplerBrand: SPSize dia.: 75 mm, 110mm, 160mmApplocation: Joining pipe as to ensure the water flow smoothlyMain charactricstics 1. PVC-U is a rigid unplasticized material with good surface rigidity and tensile resistance, as well as high compressive rating and pipe safety factor2. PVC-U ...