Included in this lot is a Katadyn survivor 6 water purifier. The custom designed seawater membrane inside unit removes dissolved salts, virus and bacteria and is approved by the US FDA. It is the smallest hand-operated emergency desalinator in the world. Compact and lightweight with only 1.13 kg / 2.5 lbs. This product was designed with durable material so that it's reliable and long-lasting. Recommended for emergency life rafts and individual survival kits. Trusted by militaries and individuals around the globe. This purifier measures 8 ¼” x 6”. Serial Number: S6A-48346