Stages of Purification:Stage 1: Removal of Sediments & dirt particlesStage 2: Removal of Chlorine & organic chemicalsStage 3: Removal of Bad taste & odourStage 4: Removal of Excessive salts and dissolved contaminants (RO)Stage 5: Final Polishing and Improving the taste of waterStage 6: Energizer & pH balancingEasy to InstallPorts are available for simple plug-n-play type installation. Quick fit tubing for a quick change of cartridges.1-year WarrantyFree replacement within 1 year of purchase in case of any manufacturing defectMoney-back Guarantee30-day money-back guarantee