The Optima is the worlds best selling spa and this one has been refurbished Valued new at over $18500,( https://backyardsofamerica.com/optima/) It includes a brand new cover New Filter 4 new head rests Features are 6-7 person class 1 Filter/Circulation Pump 1 Air Blower 2 Jet Pumps Aqua Terrace Waterfall 4 Euro jets 8 Fluidix Intelli-Jets 5 air controls 3 whirlpool jets 2 Massage selectors 14 Air injectors 12 Acu-pressure jets 12 Fluidix ST Jets 1 Sunscents Dispenser Sunsound Audio system with Subwoofer and pop up speakers AquaTerrace Light Control multi color Footwell massage system Size 89" x 89" x 37.5" 240v-50A Google Sundance Optima 880 for additional information No trades cash only $4400(as is were is easy access)