Cartridge for replacement or as reserve.
Fits Grayl Ultralight Purifier and Legend Purifier.
Patented purification and filtration technology: with ultra-powdered activated carbon, silver treated zeolites and electroadsorbtive media.
Removes particulates (e.g. sediments, silt) and 99,999% of viruses, bacteria and protozoa.
Removes chemicals (e.g. chlorine, iodine) and heavy metals (e.g. lead, arsenic).
Lifespan: 300 uses (150 L / 40 gal).