Compare Backpacking Water Treatments Compare Products Compare select up to 5 products to compare Score Product Price 78 Sawyer SqueezeBest Overall Filter for Personal Use $41 76 LifeStraw Peak SqueezeBest Collapsible Bottle Filter $44 75 Platypus GravityWorksBest Overall Filter for Group Use $135 75 Katadyn BeFree 0.6L $40 73 LifeStraw Peak Gravity 3L $66 72 Aquamira Water Treatment DropsBest Bang for the Buck $15 72 MSR Guardian PurifierExcellent for Turbid Water $390 72 Grayl GeoPress $100 72 Katadyn BeFree Gravity 6L $115 71 Potable Aqua Purification Tablets $14 67 MSR Aquatabs $15 66 LifeStraw $20 65 Katadyn Micropur Purification Tablets $16 65 Sawyer Micro Squeeze $33 63 Grayl UltraPress $90 63 Katadyn Hiker Pro $100 61 Katadyn Hiker $90 61 MSR AutoFlow XL $125 61 SteriPEN Ultra $130 61 Katadyn Pocket $395 60 Sawyer Mini $29 60 MSR Hyperflow Microfilter $150 59 MSR Miniworks EX $120