Seychelle pH20 Alkaline Water Filter Bottle Replacement - 100 Gallon Capacity REPLACEMENT ALKALINE WATER FILTER - for Seychelle 28 oz Bottles. INCREASES ALKALINITY (pH) of drinking water up to 9.5 pH with proven tested technology. REMOVES UP TO 99.99% OF CONTAMINANTS - Chlorine, Chloramine, Lead, Mercury, MTBEs, 50 VCO's, and 90% of Fluoride. SIMPLE INSTALLATION - Simply screws onto the bottom of the drinking straw. UP TO 100 GALLONS of Refreshingly Filtered Alkaline Water  Filters MADE IN USA  BPA FREE