Sidekick Activated Carbon Replacement 4 Pack


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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 cartridges.

Product Weight: 1 oz

Warranty Info


  • Removes heavy metals such as lead, iron, cadmium, nickel, chromium, and zinc
  • Removes chemicals such as chlorine, pesticides, herbicides, gasoline, and diesel
  • Perfect for camping, backpacking, scouting, hiking, and for emergency situations or emergency preparedness
  • Weighs only 1 oz.
  • Size: 0.7" wide x 0.3" tall

Manufactured by HydroBlu

11 Reviews Hide Reviews Show Reviews

  • 5
    Get it, got it, good

    Posted by Nate30 on Apr 18th 2018

    You will never find me because I will disappear into the North with my back filters. ;)

  • 4

    Posted by Gloriak49 on Feb 27th 2018

    I have been waiting to get these for quick sometime and final thy arrived. They are a perfect back up and a great addition to my filter set up.

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