SteriPen Classic 3 with Pre-Filter<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> ABS Plastic </span></li><li><span class="a-list-item"> Imported </span></li><li><span class="a-list-item"> 1.7" high </span></li><li><span class="a-list-item"> 7.3" wide </span></li><li><span class="a-list-item"> Battery powered Ultraviolet light water purifier that is perfect for travel and outdoor use. Purifies up to 150 liters on one set of AA batteries </span></li><li><span class="a-list-item"> Purifies a half liter of water in 48 seconds or 1 liter in 90 seconds. Simple and easy to operate. Device activates when the lamp is placed in water， simply insert and stir until the light shuts off. </span></li><li><span class="a-list-item"> Destroys over 99.9% of bacteria Viruses and protozoa， like Giardia and Cryptosporidium Certified for purification by the water quality Association </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Fast safe effective and chemical-free doesn't alter Taste pH or other water properties reusable to purify up to 8，000 liters</span></li><li><span class="a-list-item">Tapered end fits most commercial water bottles， canteens， or drinking glasses.</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51eI7b6NBBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311d7J1LdSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31sK0y-wp4L.jpg" noproxy></div></div>