The Sport Berkey Water Filter Bottle Is Perfect For Daily Use At, And Traveling. Product Details Berkey systems are simple and easy to use and require no electricity, costly installation, or tools, providing economical, long-lasting water ?ltration for just pennies a gallon. Berkey systems are used every day in homes around the world by discerning consumers who trust the quality of Berkey systems to meet their drinking water needs. Berkey gravity-fed water systems are available in 7 sizes. VERSATILE- The 22 oz. Sport Berkey Water Filter Bottle with replaceable filter is ideal for everyday use at home, school or the office. It?s also great for taking along while biking, working out at the gym, traveling and more. EFFICIENT FILTRATION- The Sport Berkey Water Filter Bottle uses the same filtration formulation as Black Berkey Elements, which are used in our popular outdoor gravity-fed systems. INDEPENDENT TESTING- The Sport Berkey Water Filter Bottle has been tested by multiple independent third-party labs for its ability to remove or reduce typical contaminants found in drinking water sources. ECONOMICAL- We recommend replacing the filter after 640 refills of municipal water. Filter may require replacement sooner based upon the quality of influent water. NON-LEACHING PLASTIC CONSTRUCTION- The Sport Berkey Water Filter Bottle is made from a non-leaching, LDPE #4 medical grade polymer, which is BPA-free. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.