The ReFuel Hydration Reservoir Design
The unique, patent pending design with its revolutionary fill port makes the ReFuel hydration cartridge easy to open, fill, and close. Constructed of strong polyethylene, the ReFuel hydration cartridge can withstand the toughest use. It’s available in 50 ounce, 70 ounce, and 100 ounce sizes to meet your hydration needs. Unlike other bladders, the ReFuel hydration reservoir needs no special devices to fill it with your favorite drink.