envirosponsible.com I’ve finally found the ideal water filter for my needs-the Sawyer SP122. It weighs a paltry 1.8 oz and filters up to 0.1 micron. There is no cartridge to replace-ever! 1 MILLION GALLON GUARANTEE! Removal Rate: 0.10 Micron Absolute! Includes: * 1 – Inline Water Filter * 1 – Faucet Adapter * 1 – Hydration Pack Assembly Kit * Cleaning and Maintenance Instructions Specs: * Capacity: N/A * Weight: 1.8 ounces * Flow Rate: up to 40 PSI * Removes: Bacteria and Protozoa * Life Expectancy: 1 Million Gallons This convenient filter can be used: * as a pre-filter for an existing pump system * as an inline filter on a hydration pack * with the provided faucet adapter * with a gravity bag Biological Filtration: removes 7 log (99.99999%) of all bacteria like salmonella, cholera, and E. coli. And 6 log (99.9999%) of all Protozoa such as Giardia and Cryptosporidium. You will find these removal rates to equal or exceed competitive options. EPA guidelines allow ten times more Protozoa left in the water than we allow. This filter accessory allows you to connect your inline filter to most water taps. The adapter head is made of flexible PVC which allows connecting to different size faucet mounts. Great for traveling, camping, or for emergency situations when you’re not sure if the water is safe to drink. This faucet adapter can also be used to backwash and extend the life of your filter.