The Hercules version of the Bathmate water pump is the first-generation product. When used properly, the pump is designed to add up to 2 inches in length as well as increase girth by up to 40 percent. The pump can be used in water, either in the bath or the shower, or as more of a traditional air pump.
Website: HydromaxBathmate.com
Retailing: The company claims the Hercules version has a 95 percent success rate.
Colors: Blue, red, clear
Display: Shelf
MSRP: $$$