I absolutely can't do without my filtered water bottle at the gym. It's so convenient to use at the water fountain and cheaper than buying water bottles. It costs anywhere from $12-$15 but it's totally worth it!
Free shipping and returns on bobble® 'Infuse™' Filtered Water Bottle at Nordstrom.com. A water bottle pulls double duty as both a filtered hydrator and a fruit infuser—just remove the carbon filter and add your favorite fruits or vegetables to the bottle for a refreshing drink. The Tritan™ copolyester composition combines the elegance of glass with the durability of plastic.