SteriPen Adventurer Opti Purificatore d'acqua UV per zaino in spalla, campeggio e viaggi
Of water in just 48 seconds; 32 oz. (1 L) in 90 seconds. It can be used on any source of clear, fresh water in any country, including bottled water from unknown sources. The SteriPEN Adventurer Opti is the smallest and lightest SteriPEN.