Removes Microplastics, Bacteria And Parasites. Reusable And Long Lasting: The Filter Lasts Up To 1,000 Liters – Over A Year Of Daily Use. Premium Materials And Includes Carry Case. Compact And Portable: Slim And Lightweight (Less Than 3 Ounces), The Filter Straw And Included Carry Case Easily Fits Into Your Bag, Making It A Must-have Travel Companion. User-friendly: No Batteries Or Electrical Outlets Required; Simply Sip Through The Straw, And Let The Filter Work Its Magic.