REPLACEMENT FILTER CARTRIDGE FOR SANRES SPORT ALKALINE WATER BOTTLE PACKAGE OF 3 PIECESPORTABLE ALKALINE WATER BOTTLEFood grade PET plastic to create alkaline water bottle, and take advantage of special alkalineformula to produce inner filter cartridge. Alkaline water bottle bring your potable waterinto great-taste alkaline mineral water effectively. Keep you enjoy fresh alkaline mineral waterat anywhere!The pH scale ranges from 0-14 used to measure how acidic or alkaline a substance is. Yourbody is constantly maintaining a delicate acid-alkaline balance. Unfortunately, the modern dietis rich in acidic substances and foods including meat, dairy, processed foods and refined sugar.As your body tries to adjust for the acidity, it borrows from your alkaline reserves, which caneventually result in chronic disease.Drinking alkaline water could help your body more effectively on maintain acid-alkalinehomeostasis without borrowing from valuable reserves, supercharge your immune system,balance your body, and deliver optimal hydration.The Oxidation Reduction Potential ORP) is measurement of the presence of oxidizing agentsin drinking water. A positive ORP indicates oxidation(aging/deterioration) potential whereas anegative ORP indicates antioxidant(anti-aging/beneficial) potential. Most tap and bottled watertypically have a positive ORP.Drinking anti-oxidant water could help to protect against free radicals, allowing your bodytissues to rejuvenate.Feed water source: potable water, tap water, mineral water, destilled waterOperating temperature: 0-45℃Body material: Food grade PET, Cap material: ABS, Filter shell material: PPFilter formula: Alkaline Ceramic Mineral Balls + Carbon BlockEach filter service life: 8 weeks or 40 gallons of water.