Katadyn BeFree 1.0L Water Filter, Fast Flow, 0.1 Micron EZ Clean Membrane for Endurance Sports, Camping and Backpacking Description With the Katadyn befree water filtration system, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the ez-clean membrane do the work. Gently squeeze the flask for instant refreshment. Maintain the ez-clean membrane quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and Shake free the debris. Or, remove the Filter from the flask and swish in any lake, River or stream. And when you're ready to hit the road, the collapsible flask packs small to fit into tight spaces. Just smash, stash and go!.Hydrapak soft flask is longer lasting, rugged, high-tech, flexible, bpa-free..no backflushing and no clumsy tools. Simple Shake or swish the ez-clean membrane in the water and be on your way..0.1 micron hollow fiber technology..for solo use..suitable for cloudy water..lightweight and portable..flow rate: 2 liter per minute..tested to 1000 L, depending on water quality..wt. 2.3 oz (63g)..size: 10.0 x 4.25 x 3.0 in (25.4 x 10.8 x 7.7 cm). Features: 0.1 micron water filter removes harmful organisms like bacteria 99.9999% and protozoa like Giardia & Cryptosporidium 99.9%, surpassing EPA standardsCollapsible 1.0L hydrapak soft bottle flask packs down small to fit in tight spaces (jacket pockets, purses, backpack, fly vests)Ez-clean Membrane is simple and easy to clean by simply shaking or swishing the filter to clean debris, no backflushing or extra tools requiredFilters up to 1, 000 liters of contaminated water without using chemicals or other devices and hydrate quickly and easily with the free flow channels fast flow rateStay clean drink nozzle keeps the mouthpiece clean and sanitary (replaceable with standard plastic water bottle caps) Product Details: Product Dimensions: 4.2 x 3 x 10 inches ; 2.24 ouncesShipping Weight: 4 ouncesCalifornia residents: Click here for Proposition 65 warning.Item model number: 8018006#16 in Camping & Hiking Water Filters Payment We accept Paypal payments only. Sales tax may be applied to your purchase as we possess sales tax certificates for all states we collect sales tax in. If your state is one that we charge sales tax in, you will see the sales tax charge at time of checkout before you submit payment. Delivery Expedited shipping is free. Handling time on our orders is normally between 1-2 business days. Your order should reach you within 1-3 business days. We do not ship to AK, HI, PO boxes, or APO addresses. We're not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. We don't accept requests to change shipping addresses post purchase. We do not ship to AK, HI, PO boxes, or APO addresses. We are not responsible for any incorrect or undeliverable addresses. We only ship to the confirmed Paypal address. Please note that manufactures update their packaging from time to time and that the packaging images shown in our product may vary from what you ultimately receive however be assured you are receiving the identical contents you ordered. Return Policy You may return new, unopened items within 30 days of delivery for a refund, and a restocking fee may apply. Return shipping fees are not refundable. Message us for return instructions if you have questions. Support & Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction. Contact us via eCRATER messaging and we will respond within 1 business day. Our office hours are 8AM-4PM PST Monday-Friday. We thank you for your business!