AmeriGlo GLOCK Rear Sight Tool Straight Sided All Heights GTOOL1  This official LifeStraw personal water filter will provide 792 gallons (3,000 liters) of safe drinking water without using chemicals, iodineRemoves 99.9999% of bacteria including Escherichia coli (e-coli), campylobacter, vibrio cholera, pseudomonas aeruginosa, shigella, salmonellaRemoves 99.9% of protozoa including giardia lamblia (beaver fever), cryptosporidium parvum, entamoeba histolytica  http://outdoorgear.mob..