... . OEM with colors,length,structures 4. use for P-trap Toilet 1.plasitc pipe 2flexibility 3best price,factory outlet 4OEM with ... cilors,length,structures 5.use for construction in toilet material PVC brand Dekowell standard ROHS diameter as per the ... , has been widely used In the urban sewage discharge, low pressure water supply, agricultural irrigation and drainage, wire and cable casing ...