"This weightless wonder works simply by scooping up water from any source in the plastic bottle, then squeezing it out through the bottle's built-in high-tech filters. The filters take care of microbiological contaminants such as giardia, cryptosporidium and E. coli, not to mention dissolved solids, heavy metals such as lead and mercury, and volatile organic contaminants such as chlorine and PCB's. The filters do not take care of viruses, which are so small they can pass through the filters, but you can kill viruses simply by dissolving an iodine tablet in the filtered water. The bottle has been tested by EPA approved methods at state-accredited laboratories, such as the County of Los Angeles Environmental Toxicology Laboratory. Moreover, folks at the Red Cross have reported to Safe Water Anywhere's manufacturers that none of their field workers who used the bottle recently in Acapulco, Mexico, contracted any water-borne diseases.
As regards cost, the half-liter SW-Pro model retails for $34.95, and the one-liter SW-Expedition models retail for $39.95. With periodic cleaning, the one-liter model produces 200 gallons of water, which works out to about 20 cents per gallon. The company recommends you replace the filter after 200 gallons, and........(continued)