I'll go pick up cash only in pb 92109 Price is firm. This is brand new and cost $150 plus tax. I would never recommend to buy a used water filter not knowing if it's ever been frozen or damaged. The ultimate camping backpacking survival water filter on the market. Ultralight super fast and the only one that can be thrown in flat mud and purify the water from due to its membrane style. This is the best there is for certain situations such as low water streams or mud where this is meant for and excels. It is also one of the fastest on the market at 3L a minute. Plus for its weight only the Sawyer squeeze is lighter but with a lot of limitations compared to this. The HyperFlow microfilter utilizes the latest Hollow Fiber Technology and our most advanced engineering to make water treatment so small and so easy to use, it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Add a filtration rate of 3-liters per minute and you’ve got the most efficient microfilter ever created. Also included is a Quick Connect bottle adaptor—allowing direct connection to all MSR® hydration products and a variety of other "wide mouth" containers—and an advanced prefilter to prolong the life of your filter. Testing: Meets NSF protocol P231 for removal of bacteria (99.9999%) and protozoa (99.9%) from beginning to end of filter life in “worst-case” water. High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes. Ultralight: Just 7.8 oz. (221 g). Ultra-small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premium. Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools. Super Convenient: Quick Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and other wide-mouth containers Big Agnes Marmot Patagonia Nemo equipment Western mountaineering North face Columbia arcteryx, Eddie Bauer, osprey, Gregory, jetboil, gsi, backpack tent sleeping bag, ultra light, gossamer gear ULA,