The MSR TrailShot Microfilter lets you drink directly from the source and refill bottles, then get back on the trail quickly. To trail runners, fast-packers, hikers, and mountain bikers this tiny filter means one thing, an all-day water supply that's virtually weightless.

• Clean water all day without the weight
• Zero set-up & simple one-handed operation
• Drink directly from the source for instant hydration
• Pocket-sized & light, this filter disappears in stash pockets
• Refill your bottles or hydration reservoir w/ clean water
• Simple to clean, a few shakes helps restore flow rates in the field, no tools required
• The ultimate filter for fast-paced, high-mileage adventurers
• Meets US EPA drinking water standards
• Meets NSF protocol P231 for removal of bacteria, protozoa & particulates