Aquamira Frontier Pro Ultralight Water Filter
All the benefits of a larger bottle filter in a compact size and without complicated pumps and hoses. This straw style filter attaches directly to water bottles, water bladders and hydration pack hoses. Product highlights include:

"Porous Plastic" Filter with Miraguard Antimicrobial Technology
Removes 99.9% of Harmful Giardia and Cryptosporidium
Comes with 3 replacement pre-filters for maximum filter life
Filters up to 50 gallons of water
Patented Bite Me Valve prevents drips and spills
Integrated Protective Cap Keeps Mouthpiece Clean
Removable bite valve allows Frontier Pro to be converted to a drip filter