The Water Filtration Bottle is designed for the health-conscious, on-the-go person who never compromises on clean-tasting, odor-free water. Just fill it up with tap water. The filter-straw removes chlorine taste and odor for refreshing, easy-flowing water at the touch of a button. BPA-free, 22-oz. capacity. Dishwasher safe, available in four color combos: Blue/Black, White/Blue, Red/Black and Green/Black. Includes 1 starter filter and 1 filter-straw (good for 3 months or 40 gallons).