SteriPEN Classic 3 Water Purifier with Prefilter

Filter Type Ultraviolet
Filter Medium Ultraviolet light
Removes/Destroys Protozoa, Bacteria, and Viruses
Pump Force Not applicable
Pump Strokes Per Liter Not applicable
Output 32 oz. per 90 seconds
Housing Material Not applicable
BPA Free Yes
Field Cleanable Yes
Dimensions 7.3 x 1.7 x 1.7 inches
Weight Without batteries: 3 ounces

This updated version of the Classic has a new LED display, a more ergonomic design and the ability to accept alkaline, lithium and NiMH batteries (sold separately)
Ultraviolet (UV-C) light rays safely sterilize clear water by destroying 99.99% of protozoa (including giardia and cryptosporidia), bacteria and even viruses
To purify your water, just press a button and gently agitate the water with a quick stir
If clear water is not available, no worries—the SteriPEN prefilter clears particulates and debris from water