The SteriPen Classic 3 with Pre-Filter Bundle Pack uses UV light to destroy over 99.9% of waterborne microorganisms that cause illness. Its Ergonomic design has an easy-to-remove twist-off cap. The SteriPEN Classic 3 can be powered by alkaline, lithium, or NiMH batteries. Its enhanced LEDs indicate treatment size and status of batteries. Its lamp is watertight, so there is no need to worry about dropping your Classic 3 in a bottle or stream. And it is so easy to use - just activate, place in water, and stir. LED indicators flash to let you know when the water is safe to drink.

Product Details

• Dimensions: 1.7 x 7.3 x 1.7 inches

• Unit Weight: 3.04 ounces

• Shipping Weight: 10.6 ounces