Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 11am Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
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.