Prozone Water Products ECO Master SPA 220V Ozone/UV Sterilization System, 8-1/2" by 6" by 3-1/2", White Eco Master 220 VAC Ozone/UV Sterilization generator for portable spas up to 800 gallons features our patented Corona Hybrid Arc Tube, UV-C Germicidal Sterilization, solid state ballast, integrated Venturi Injector, and inline installation kit Eco Master combines state-of-the-art UV Sterilization with Ozone and Advanced Oxidation Processing (AOP) all in one compact system for spas Prozone patented Corona Hybrid Arc Tube harnesses the high ozone concentrations of Corona Discharge generators while maintaining the simplicity and reliability of VUV technology Rugged, functional housing made of heavy extruded aluminum for durability; translucent gaskets glow when the system is on Weight: 8 lbs. Dimensions: 8-1/2"W x 6"D x 3-1/2"H Warranty - 2 years This is an aftermarket of generic part