The Roving Blue O-Pen utilizes a rechargeable battery and can purify around 25+ liters per charge, equivalent to approximately 50 uses.
Safe and Effective Water Purification System- Ozone purification is approved by the EPA and its EPA Establishment Number is 094576-TWN-001, making this water purification system safe and effective!
Ozone Water Purifier - The Roving Blue O-Pen is a water purification system that uses Ozone technology to safely purify water by infusing it with a cloud of ozone gas to remove any taste or odor from the water you drink.
Water Purification System for Survival - The ozone used in the O-Pen is more powerful than chlorine and is highly effective against bacteria, viruses, e-coli, influenza virus, and many other dangerous microorganisms.
Fast Acting Water Purification System - The O-Pen is a fast acting water purification system that can purify .5 L or 16 oz. of water in under one minute.