Katadyn Water Bottle
Drink with confidence from any fresh water source in the world! Sediment and hard-to-kill protozoa (e.g., Giardia, Cryptosporidium) are filtered out; smaller bacteria and viruses are neutralized; carbon element filters out bad tasting (and dangerous) chemicals. You'll get up to 100 liters of fresh water without hoses, pumps or boiling before replacing the cartridge. Has a handy carry loop for attaching to your belt or day pack. Holds 26 oz; 11" tall, 2½" diameter; weighs 8 oz.