The AR-300 Premium includes an impressive, upgraded package grouping 20 Stainless Steel Hydrotherapy Jets, Ozone and 2 HPR 2 speed pump. Finally, a REAL spa, with REAL therapeutic benefits at a price that is equally relaxing. Best of all, it's still 120-Volt/15 Amp, so simply fill it up, plug it in and relax knowing your spa is using less energy with full foam insulation. This spa is outstanding in comfort, value and quality comparable to other spas, but at a fraction of the cost. Soothing high performing hydrotherapy is delivered through 20 Stainless Steel Jets with dual side air controls giving you full therapeutic control. Your Massage, Your Way. The therapeutic lumbar arch support alleviates achy backs and the multi-level jet placement targets your muscles just right. Take relaxation to a whole new level with patented multi-color LED backlit cascading waterfall with 9 colorful light settings to help create the perfect ambiance. The EZ Kleen Filtration System, providing 100% water filtration, combined with a factory installed Ozone Purification System, which eliminates up to 75% of chemicals, work together to keep the water crisp and clean. At 232 lbs., it's easily portable too. The spa can be converted from a 120-Volt/ 1kW to 240-Volt/4kW with the installation on a 240-Volt/30or50 Amp electrical service. Install on any solid flat level surface capable of handling specified load. So relax and enjoy this affordable, comfortable spa without breaking the budget.