... -15 days 4.One year warranty 5.ISO9001 Certificate WQ Series Submersible PumpApplication:1, raw water, wastewater treatment plants, importance, pumping ... 34WQ180-30-301803030 35WQ250-22-302502230 36WQ600-9-30600930 37WQ600-12-376001237 38WQ350-25-373502537 39WQ160-45-371604537 40WQ380-28-453802845 ...