Hiking, Backpacking, Traveling, And Emergency Preparedness Can All Benefit From Product Details Trek into unknown adventure with the confidence of clean drinking water. The Crux 2L Reservoir Filtration Kit filtered by LifeStraw carries 2 liters of water that pass through two separate stages of filtration for safe hydration. The Hollow Fiber Filter removes bacteria, parasites, and microplastics and the Activated Carbon Filter reduces taste, odor, and chlorine. The wide-mouth fill port includes a tethered leak-proof cap and ergonomic handle for a sturdy fill. An on/off lever prevents unwanted drips and the Big Bite Valve self-seals after each sip. Hydroguard? anti-microbial technology inhibits the growth of bacteria in the reservoir and tube, and all components are free of BPA, BPS, and BPF. Pack assembly is a breeze with an easy-to-load low-profile reservoir baffle and Quicklink? System that features an auto shut-off to prevent leakage. Convert into a gravity bag by pairing with CamelBak's Reservoir Gravity Kit (sold separately). Safe hydration, trustworthy filtration. Two Stages of Filtration: Stage 1: Hollow Fiber Membrane Removes 99.999999% of bacteria (E. Coli, etc.) Removes 99.999% of protozoa (Giardia Cryptosporidium, etc.) Removes 99.999% of microplastics Filters 4,000 liters (1,000 gallons) Stage 2: Activated Carbon Filter Reduces chlorine Removes bad odor and taste Filters 100 liters (25 gallons) Easy Open / Close Leak-Proof Cap: Ergonomic handle High Flow Rate: A steady stream per sip to power long adventures Leak-Proof On / Off Valve: Water when you want it, none when you don't Quicklink System: Easy reservoir removal from your pack with an auto shut-off to prevent leakage 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.