SpaRelax520 Specifications: Dimensions (L x W x H): 200 x 200 x 92 cm Seating Capacity: 5 adults Lounge Seat (s): 2 Water Capacity: 1,035 liters Dry Weight: 405 kg Filled Weight: 1,528 kg Spa Shell Material(USA): Lucite® Acrylic (Standard Shell Colors: Alba, Sterling silver & Navy) Spa Cabinet Material: PS Wood-Plastic Composite Panels Cabinet Frame: Preserve Woods+ stainless steel Bottom (Pedestal Base): PVC Plastic sheet Jet Ring Trim (USA): Dark Grey Plastic Total Jets (pcs): 35 4" Double Rotational Jets (pcs): 1 3" Rotational Jets (pcs): 6 2" Rotational Jets (pcs): 12 2" Directional Jets (pcs): 4 1" Directional Jets (pcs): 11 Ozone Jets 1 Air jets(pcs) (Optional): 8 Pump 1(CE, TUV Approved): One-speed / 3.0HP Pump 2(CE, TUV Approved): No Circulation Pump (CE, TUV Approved): 1 x 0.5HP Heater(CE, UL Approved): 1 x 3.0kW Lighting(ETL Approved): Multi-colored LED Underwater Light Ozone Water Purification System: Yes Electrical Requirements: 220-240V/50Hz, 16A Max. Suctions(UL Approved): 1 x 200GPM,3 x 94GPM Filter Size: 50sq.ft. Diverter Valve(pc): 1 Air Control Valves (pcs): 3 EVA Spa Pillows(pcs): 3 Bottom Drain(pc): 1 Drain Valve(pc): 1 Using spray insulating PU foam (USA) on the under-side of the spa shell: Yes Sparelax Control System Yes. 6sets/20GP 12sets/40HQ.