1.WTTP, waste water treatment 2.Enviromental and economical, improve water charactor 3.laminar good condition 4.PP.PVC.white PP Slanting Pipes in WTTP:WTTP Cooling tower fills available material: PP.PVC, CPVCAvailable color: White, Blue, Black, GreyWTTP Cooling tower fills Application:Plastic Inclined Packing maily used for sediment and degritting, It applys to construction sand, general ...