Bullfrog Spas are the world's only hot tubs equipped with the patented JetPak System®. JetPak technology delivers incredible power, maximum versatility and allows you to upgrade your hot tub's jetting with new JetPaks, both now and in the future. Bullfrog Spas are virtually leak-proof and are extremely energy efficient. We use 90% less plumbing and have eliminated diverter valves, which in return gives Bullfrog Spas more power than the competing hot tubs. This cutting edge technology gives you peace of mind to enjoy the ultimate reason for purchasing a hot tub... deserved rest & relaxation!