1) Acrylics material and fiberglass reinforcing ( 5-6 layer) for the best quality. 2) Stainless steel air jets and water jets with varies size for durable use. No plastic jets !! 3) Electrical machinery and parts from Lingxiao and Rising Dragon, the biggest pump manufactures in China. 4) Radio and freeze-proofing function is included in control system. Hot tubs will also be strong in bitter cold weather. 5) HIPOT, Grounding Test and Package test before sending the goods. Size: 2200,2200,930mm Shell Color: 6459 white ,the other color need to add 130USD Seat Capacity: 6 person Power: 120v,220v,240v,380v Computer controller (including radio): 1 SET Material: Acrylic(USA Aristech) Pillows: 3PCS stainless steel bracket: 1PCS Air jets(1.5"): 12 pcs Water jets (3"): 18 pcs Water jets(2"): 69 pcs Strike wave jets(5"): 1 PCS Water column fountain: 2PCS(Seven kinds of color) Waterfall: 1PCS(Seven kinds of color) LED light: 18 PCS(Seven kinds of color) LED light(5"): 2PCS(Seven kinds of color) Water pipe: 1SET Drainage & spilling water: (4.5") 2PCS Suction: 3x5" and 2x3" PCS Whirlpool pump : 3PCSx2HP&1PCSx1HP Circulate pump: 1X1HP Air pump: 1X 0.7kW Ozone: 1PCS Heater : 1X3KW Cartridge Filter: 1PCS Diverter Valves: 2 x 4" Comfort Diverter Valves Air Control Valves: 6 x Easy-Flo Air Venturi Finland Wooden skirt: 1PCS Insulation: 1PCS Spa Cover: 1PCS Finland Wooden step: 1PCS Packing size: 2300,2300,1140mm Gross weight: 383KG 20ft container: 5sets 40ft container: 10sets. Option: PVC surrounding with PVC step: 168USD per pcs Cedar surrounding with step 228USD Taproom(included barstools):120 USD per pcs. Pole LCD TV 17"/19": USD310/USD360 Pop-up LCD TV 17"/19": USD610/USD650 bottom plate: 160USD per pcs Two Pop-up speakers: 80 USD Cover lifter: 120USD DVD with USB input,MP3 MP4 110USD per pcs.