The AquaRest AR-400 Premium includes an impressive upgraded package. - 20 Stainless Steel Hydrotherapy Jets - AquaPure Ozone Purification System Factory installed - 2hp 2-speed Premium pump - Ability to wire 240 volt to upgrade to 4kw heater The AR-400 Premium is manufactured using a process known as roto-molding making your AR-400 extremely durable resistant to all weather and still completely portable weighing in at only 240lbs. You will feel comfortable knowing that every AquaRest AR-400 utilizes full-foam insulation and locking safety cover. The AquaRest AR-400 includes the patented LED backlit waterfall with 9 different color settings helping create the perfect ambiance for any occasion. Sometimes a beverage is called for when relaxing in your spa. The AR-400 has you covered with 4 deep cup holders keeping your beverage of choice safe and easily available! Do you deserve a massage? Of course you do. Enjoy the 4 captain s seats with lumbar arch support and multi-level jet placement allowing you to feel the therapeutic value of the hot water pumping through the 20 stainless steel jets powered by the 2hp 2 speed premium pump! I don t know about you but I prefer enjoying my hot tub more than maintaining it. That s why the AquaRest AR-400 premium comes with the AquaPure Ozone Purification System factory installed. The AquaPure system works in conjunction with your spa chemicals to kill the bacteria and other pollutants in the water. This feature alone can help you save up to 75% on your chemical costs and saves you time and energy. The AquaRest AR-400 Premium is the perfect choice for person who wants hot water hydrotherapy premium features and an affordable price!