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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Works on all current Therm-a-Rest mattresses
Octisalate - 5
Wrist pairing snaps
Comes with all required straps
Grayl Ultra Press Replacement Cartridge Smartwool Works on all current Therm-a-RestDescription Features Specifications Replacement purifier cartridges for the Grayl Ultra Press are designed to last 300 cycles (40 gal. 150L). Lifespan will decline when purifying water with high levels of silt, sediment or tannins. Cartridge press time increases towards the end of the cartridge lifespan; when press time reaches 25 30 seconds, or it has been 3yrs since first use, the cartridge should be replaced. Cartridge continues to protect, even as
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