The Bestway Coleman Airjet SaluSpa Spa Hot Tub Pump Heater Unit is a key component for maintaining the temperature and circulation of your inflatable hot tub. Made of durable plastic, this round-shaped unit includes both the pump and heater features, making it easy to operate and efficient in providing warmth. The SaluSpa brand ensures quality and reliability, making this pump heater unit a must-have for your outdoor spa experience.