The MSR® WaterWorks® microfilter, launched in 1991, was the first of its kind to combine both carbon and ceramic technologies into a single element, setting a new standard in reliable backcountry water treatment. Depicted as an engineering drawing on the WaterWorks Tee, it reminds us how crucial this elemental resource is to adventures pursued anywhere on earth.
Free shipping on all orders over $100
Available for U.S. addresses only.
Find the nearest stores that have stocked this product within the last six months by simply entering the city, state abbreviation, or postal code, and then clicking GO. We suggest you call the stores listed to confirm availability of the gear you want.
Please choose a product from the dropdown list above to view authorized online dealers.
For every authentic review you post, you’ll be entered in our monthly drawing for MSR gear.Terms & Conditions
Sign up for our mailing list to learn about new gear, events,product promotions and to see the latest videos and more from MSR.