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The Shafer Pro Driver (SPD) system was developed for professional drivers in endurance racing. The dual-pump cooler offers redundancy to ensure uninterrupted cooling in the event of a pump failure. Separate temperature control circuits allow you to quickly switch from one pump to the other without unplugging anything. You can even run both pumps at once for really serious cooling! Works with standard Cool Shirt hoses and any Cool Shirt brand water-cooled shirt (both sold separately). Requires connection to a 12 volt power source.
Add a Cool Shirt Insulated Hose Set (Part No. CS475) and the Cool Shirt Water-Cooled Shirt of your choice to complete the system.
Available upgrades also sold separately:
Cooler Mounting Tray (Part No. CS500-12)
Dual Temperature Control Switch (Part No. CS451)