SteriPEN Sidewinder Hand Powered UV Water PurifierThe SteriPEN Sidewinder is the first portable UV water purifier that does not require batteries. The Sidewinder features SteriPEN's proven UV system to destroy waterborne bacteria, viruses and protozoan cysts such as cryptosporidium and giardia. It can purify one liter of water in 90 seconds.

To use the SteriPen Sidewinder, just fill the bottle and attach the Sidewinder to it. Flip the assembly and unfold the handle. Crank the handle. Continue to crank until the LED flashes green to indicate that the water purification is complete.    The SteriPEN Sidewinder includes a one liter Tritan BPA-free bottle and SteriPEN Pre-Filter for use on water that contains particulate.    Specifications:

• Weight: 16.6 oz.
• Dimensions: 8.6" (L) X 5.5" (W) X 3.8" (H)
• Battery: None (hand-powered)
• Lamp Life: 8000 1L treatments
• Certifications: WQA Gold Seal Certified