This Bobble Filtered 18.5oz Water Bottle drops from $12 to $6 to $5.39 via code AFPACC10 at 24HourFitness.com. Plus, shipping is free! This matches our mention from last month and it's the lowest price we could find anywhere for this water bottle (it goes for $14 shipped at Amazon). The cap has a carbon-based filter designed to remove contaminants from tap water. It comes in black, blue or magenta, is FDA -approved, and made in the USA. Sales tax is charged in most states.