Camelbak All Clear Bottle Pre-Filter (6-Liter/20-Ounce) Replacements Meter breathable GORE-TEX fabric shields you

breathable GORE-TEX fabric shields you from the weather

Zippered bite valve insulation sleeve helps keep mouthpiece free of ice

and odour resistance

They are made from very sturdy 18/8 polishied stainless steel

Fleece lined for wicking and comfort

Camelbak All Clear Bottle Pre-Filter (6-Liter/20-Ounce) Replacements Meter breathable GORE-TEX fabric shields youDesigned to remove larger debris prior to purifying ("sticks and crickets") with your CamelBak Filter system. Details: * Easily fits on the All Clear Bottle * Keeps filter from clogging when filling from water sources with sediment or debris build up * Extends the life of your Camelbak filter * Easy to clean and maintain * Compact and Lightweight