The 27oz. Sport Bottle with Level 2 Filter which can be bought on Purewater2go.com is perfect for those individuals who want to make toilet water into lemonade!
$15.95 

The 27oz filter bottle is larger and much better for longer trips without having to refill. This sport bottle is made from strong and durable plastic that will last for many years with repeated use. This water bottle filter will also treat up to 80 gallons of drinking water, approximately 3 months of use under normal conditions. It removes chlorine, bad taste and odor, as well as a significant proportions of heavy metals, including Lead, Mercury, and Copper. Works great in standard bicycle racks and car holders. Simply fill bottle with water and drink. Bottle will filter the water as you drink!!