I offer an affordable drink bottle system with a top of the line food grade DC pump. It's 2 quart bottle is very quick to change so it's perfect for endurance racing or holds enough for sprint races.  The drink bottle system comes with two bottles, hoses and fittings.

I make a quick change Cool Suit box holders that will not let the box come loose and flop around. I make them in the two most common sizes. These are great for endurance racing or sprint. Personal hydration system provides drivers with onboard drink bottles for instant fluid replacement. Order multiple bottles for each of your drivers to fill with their own favorite drink or electrolyte replacement.