... /running water)→sedimentation tanks/add drugs(alum,PAC))→booster pump→Multi-media filter(Quartz sand(2-4/4-6)manganese sand/SS ... (hardness removal)→water points(alum,PAC) → add pressure pump → mutli-media filter → activated carbon filter → positive ions exchange bed ( positive resin ... establish a long-term business relationship with you! water fitler, multi-media filter, water purifying filter