SteriPen Classic 3 w/Pre Filter Bundle Pack

Features of the SteriPen Classic 3 wPre Filter Bundle Pack Classic 3s UV light destroys over 99.9% of waterborne microorganisms that cause illness Ergonomic design with a new easy to remove twist off cap The first SteriPEN to be work effectively with alkaline batteries. Can be powered by alkaline, lithium, or NiMH batteries Enhanced LEDs indicate treatment size and status of batteries and lamp Watertight. No more worries about dropping your Classic 3 in a bottle or stream So easy just activate, place in water, and stir. LED indicators flash to let you know when water is safe to drink