1200W 1/2 HP cooling system for efficient temperature control Works with water volumes up to 145 gallons (500L) perfect for cold plunge tubs Quiet compressor design minimizes noise levels during operation Temperature range: minimum of 4-5°C for optimal cooling Corrosion-resistant titanium evaporator coil suitable for both freshwater and saltwater environments Energy-saving and rapid cooling with R134A refrigerant Includes two built-in quiet fans and multiple vents for heat dissipation Easy to use with a simple one-key switch for operation Complete set with accessories including water pump, hoses, and connectors Ideal for athletes, wellness centers, or anyone needing cold plunge therapy