PureAir SOLO Rechargeable Personal Air PurifierPureAir SOLO is a sleek, wearable air purifier that creates a personal 3 ft. clean air zone by repelling particles from your breathing space. Visit friends and family without the negative effects of other's pet dander, perfumes, or colognes. When used with a conventional face filtering mask, continuous emission of unipolar air ions has been shown to considerably enhance the filtering efficiency against fine and ultra fine particles.* The effect is