Portable water filtration cup maker Grayl raises $800K - GeekWire
Grayl uses Kickstarter to launch Ultralight, the 'world's best' water purification bottle - GeekWire
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16.9 fl oz UltraPress® Filter & Purifier Water Bottle - Nature Edition – GRAYL®
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Amazon.com : GRAYL Geopress 24 oz Water Purifier for Global Travel, Backpacking, Hiking, and Survival… | Water purifier, Water purifier bottle, Camping water filter