ANTIBACTERIAL FABRIC: Antibacterial fabric is applied to the inner liner of MSpa. The fabric can release bactericidal components which help reduce 99% of the reproduction of bacteria. ISO 22196-2011. WIRED CONTROLLER: User-friendly design with access to all controls at your fingertips. PTC HEATING TECHNOLOGY: PTC (Positive Temperature Coefficient) technology on all spa products. SPECIFICATIONS: Model: U-RB061. DIMENSIONS: 2.04 x 0.70mH / 80 x 28H. WATER CAPACITY: 930 Litres / 245 Gallons. NET WEIGHT: 34.0 kg / 75.0 lb. JETS: 138 Air Jets. SEATING: 6. HEAT INCREASING RATE: 1.2 – 1.8° C per hour. CONTROL SYSTEM: 220 – 240V / 50Hz. HEATER: 1500W. MASSAGE AIR BLOWER: 720W – 3 Levels (300W, 500W, & 720W). FILTER PUMP: 1800L/Hr. INTEGRATED OZONE GENERATOR: 5.5W OZONE OUTPUT: 30 – 50 mg/hour INFLATION: M-ONE Auto Inflation.