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.
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 utilizes Ozone technology to effectively clean water by infusing it with ozone gas to eliminate any flavor or scent from the water you consume.
Rechargeable Water Purification System - The Roving Blue O-Pen uses a rechargeable battery and purifies approximately 25+ liters per charge (about 50 uses).