Lifestraw Personal Water Filter For Hiking, Camping, Travel, And Emergency Product Details Removes Bacteria Parasites: The Microfiltration Membrane Removes 99.999999% Of Waterborne Bacteria (Including E. Coli And Salmonella), And 99.999% Of Waterborne Parasites (Including Giardia And Cryptosporidium) Removes Microplastics: Removes The Smallest Microplastics Found In The Environment (Down To 1 Micron), And Reduces Turbidity Down To 0.2 Microns Rigorous Testing: All Claims Are Verified With Laboratories Using Standard Testing Protocols Set By The Us Epa, Nsf, Astm For Water Purifiers Long Lifetime: The Microbiological Filter Will Provide 4,000 Liters (1,000 Gallons) Of Clean And Safe Drinking Water With Proper Use And Maintenance Make An Impact: For Every Lifestraw Product Purchased, A School Child In Need Receives Safe Drinking Water For An Entire School Year.Bpa Free Materials 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.