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Manufacturer's Description

For virus removal and international travel.

Triple ion charged (+++) double-layered mesh captures 99.999% of bacteria, protozoan cysts (i.e. Giardia, Cryptosporidium) and viruses (i.e. Hepatitis A, SARS, Rotavirus)

Ultra-powdered activated carbon derived from coconut husks absorbs odors and flavors, industrial & pharmaceutical chemicals (i.e. BPA, Benzene, Chlorine), and heavy metals (i.e. Lead, Arsenic, Chromium)

Retailers' Descriptions

Here's what other sites are saying:

For use with its Ultralight Water Purifier Bottle, the Grayl replacement purifier cartridge provides full-spectrum protection against virus, bacteria, protozoa, sediment, chemicals and heavy metals.

- REI

Grayl Camp & Hike Purifier Cartridge-Orange gry0002Orange. Designed to protect against viruses protozoa bacteria heavy metals and chemicals; the travel purifier is perfect for international use hiking camping canoeing fly fishing and most outdoor water sources worldwide.

- CampSaver.com

Your Ultralight Purifier Bottle may last 300 times before it stops filtering pathogens and particulates, but you don't know how many times you'll use it on your longer travels, so be sure to have Grayl's spare Purifier Cartridge packed. This cartridge has a shelf life of ten years, just in case you don't end up using it on your next trip.

- Backcountry.com

Features of the Grayl Purifier Cartridge Replacement filter cartridge for the Grayl Ultralight, Legend, and Quest Bottles Removes 99.9999% of virUses, such as Hepatitis A, SARS, and Rotavirus Also removes 99.9999% of disease-causing bacteria, such as E. coli and Salmonella, as well as 99.999% of protozoan cysts including Giardia and Cryptosporidium Filters particulates (sediment, silt), many chemicals (chlorine, benzene) and heavy metals (lead, arsenic) Improves the health, flavor, odor, and clarity of water you filter in the outdoors, or even at home Fast flow rate of 2 liters per minute Press time of 15 seconds per 16 ounces (473 ml) Each Purifier Cartridge provides at least three years of safe filtering after the initial use Lasts approximately 300 Uses (40 gal / 150 L) Made with ABS food-grade plastic and food-grade silicone Chemical and BPA-free, and antimicrobial Tested according to NSF/ANSI standards: 42 + 53 Weighs in at 2.8 oz (80 g) Measures 2.9in. High x 2.7in. wide

- Moosejaw