The Grayl Cup Is the French Press of Water Filtration

As simple as a Brita pitcher is to use for filtering water, who has time to wait for gravity to do its work when you're not at home? With a little downward force on your end, the Grayl cup will purify 16 ounces of water in just 15 seconds, making it better-tasting and safer to drink. It's basically a french press that… » 1/17/14 3:40pm 1/17/14 3:40pm