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Enjoy Extended Returns thru Feb 1, 2017!
You have until Feb 1, 2017 to return or exchange items purchased between Nov 1, 2016 and Jan 1, 2017. All other standard return policy conditions apply.
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Offered here as a 2-pack, each GeigerRig Virus Filter Replacement Cartridges is rated to filter up to 100 gallons of water and removes better than 99.9% of Protozoans (Cryptosporidium and Giardia), Bacteria (Raoutella terrigena), and Virus (MS-2 Bacteriophage). It meets or exceeds ANSI/NSF Standard 53 for removal of protozoan cysts, bacteria, and virus.