Sidekick Activated Carbon Replacement 4 Pack
Sidekick Activated Carbon Replacement 4 Pack, Whether you are hiking, camping, backpacking, or just need a solid backup water filter, the Sidekick 3-Stage Straw Water Filter by HydroBlu is your perfect adventure companion. The 3-stage water filter provides the most robust filtration of any straw style filter. This pack includes 4 replacement activated carbon cartridages.