LifeStraw Flex Carbon Capsule Replacement

LifeStraw Flex is a 2-stage filter that exceeds the NSF 53 drinking water standard for reduction of lead while also reducing chemicals and removing bacteria and parasites.
It can be used in 5 different ways: as a personal straw, with the included soft touch bottle, or attached to a plastic water bottle, hydration bladder or as a gravity filter.

This carbon capsule is the second part of a two stage filtration process:

The activated carbon capsule is used to reduce chlorine, bad odour and taste as well as reducing organic chemical matter.