Think about it. Now your water can be pure — anywhere. This Ultralight Grayl Purifier (+ Filter) Bottle will be your sidekick during hikes, treks and journeys across the globe. No batteries, no bulbs, chemicals, squeezing or waiting. The best part? Your new filter removes 99.9999% of viruses, improves health, flavor and odor in only 15 seconds. Your adventure will never be watered down.