... :GB,ISO Advantages:High flow capacity, endurable, nontoxic,pressure proof P-Trap: Material:PVCStandard:GB,ISOAdvantages:High flow capacity, endurable, nontoxic ... 50 years3. Good chemical resistance including acids, alkalis, salts resistance, suitable for sewerage and industrial effluent disposal4. PVC-U is a ... D=mm)5075110 PVC - U /Plastic Drainage / Sewerage Fittings : Deodorant P - Trap without door