The McNett New Capsule Water Bottle with Filter will ensure you'll have clean drinking water wherever your wanderings take you. The activated coconut shell carbon capsule filter lasts for 100 gallons of water. It removes 99.9% of giardia and cryptosporidium as well as bad tastes, odors and chlorine. Miraguard Antimicrobial technology prevents the growth of fungus, mold, mildew and bacteria inside the filter. The bottle comes with comfortable hand grip and super strong tritan dust cap and fits into most cycle bottle holders. It has a positive shut-off valve to prevent leaks. It's an excellent bottle for keeping hydrated far off the beaten track if you don't want to lug a vast supply of water around.