Gravity-Fed Water Filter Straw 1 Gallon Portable Survival Filtration System
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$24.45at WalmartChecked Nov 12
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This is a 1-gallon gravity water filter built around a 4-layer core: a 0.1-micron hollow fiber membrane plus coconut carbon for taste and odor. Fill the food-grade TPU reservoir, hang it, and it filters a gallon in about five minutes with no pumping or batteries. The filter straw also attaches directly to the bag for drinking straight from a stream. It folds flat and packs light, which suits backpackers and emergency kits. Against pump filters it trades field-serviceable cartridges and precise pore ratings for hands-free speed; against bottle filters it carries far more water for a group.
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Lowest price we've seen: $20.99 on Nov 12 at Walmart. Tracked across 1 store since Nov 12.
This is a 1-gallon gravity-fed water filter for camping and emergency preparedness. It needs no pumping or batteries. Fill the reservoir, hang it up, and gravity pulls the water through the filter. A full gallon filters in about 5 minutes.
The flexible blue reservoir is made from food-grade TPU and resists leaks. The 4-layer filtration core combines a 0.1-micron hollow fiber membrane with coconut carbon. It reduces up to 99.9999 percent of impurities and clears the taste and odor of murky stream or river water.
The bag is lightweight and collapses flat to save space in a backpack. Hang it at a campsite for hands-free refills, or attach the filter straw directly to the reservoir and drink from a stream. The extension hose with clip adds reach on rocky terrain.
