HDPE male thread joint 1..Color:black 2. ISO9001,ISO14001,OHSAS18001 3.Lifetime:50 years ... 4.Easy and quick instal HDPE male thread joint 1.As a company listed in Singapore , ATON Innovation Group specialized ... male thread joint SpecificationOutside diameter(mm):20*1/2",25*3/4",32/1",40*1 1/4",50*1 1/2",63*2"Use:Water drainageColorBlack ...