The Multipurpose Outdoor Water Filter Is A Portable Hiking Water Filter System Product Details ?THREE-STAGE PURIFICATION SYSTEM FOR SURVIVAL?- KDF + Activated Carbon Fiber + Medical Grade Hollow Fiber. It can clean different source of water and can reduce heavy metals and odor according to NSF/ANSI Standards. ?FAST FLOW RATE WITH REPLACEABLE FILTER?- This survival water filter has a fast flow rate up to 1600ml (54oz) per minute. Use directly from any fresh water source while on-the-go. It has total 2000L(528gal) filtration capacity. ?TRAVEL-FRIENDLY AND MULTIFUNTIONAL?- This portable water filter is lightweight and compact, only 12.3oz, making it perfect for hiking trips and travel adventures. Camping tools, like compass, whistle, mini knife and fire flint, are designed to fit within the filter. ?DUABLE MANUAL PRESSURIZED DESIGN?- A duable pack-and-go water filter for adventure. No need to charge or wait for clean water with this hiking water purification system. No battery, no problem. ?LIFETIME WARRANTY?- All products have lifetime warranty. If the product has any problem, please feel free to contact us at any time. We will try our best to help you resolve your issue. 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.