| SteriPEN Adventurer Opti UV Water Purifier SKU - 468623 When camping, backpacking hiking, if you wont have access to the power grid for several days a time, this is the water purification systemfor you. SteriPEN Adventurer Opti was builtfor the toughestmountains and rivers inthe world.When camping,... ... more SteriPEN Adventurer Opti UV Water Purifier SKU - 468623 When camping, backpacking hiking, if you wont have access to the power grid for several days a time, this is the water purification systemfor you. SteriPEN Adventurer Opti was builtfor the toughestmountains and rivers inthe world.When camping,... | | $119.95 go to store |