Universal Spa Ozonator Kit -- A perfect replacement for all spa ozonator brands and OEM ozone generators. Ozone Generator kit fits for all hot tubs & swim spas up to 1500 gallons. Hi-Output Ozone Generator -- Using the latest technology to achieve high ozone output, up to 55 mg/hour. High efficiency and low cost. Enjoy a health spa at a lower cost. Technical Specifications -- Universal Voltage: 120V/240V. 100-240VAC autosensing. AMP-4 power plug. Convenient to use. Premium Material -- Made with top quality materials and workmanship for years of trouble-free service life. If you are not satisfied with Spa Ozonator Kit, simply return it in 30 days. We support 12 months’ Warranty. Package Includes -- 1* Ozonator, 1* 6-ft. tubing, 1* check valve,4* hose clamps, 1* power cord & AMP-4 plug, 2* zip ties. 100% SATISFACTION GUARANTEE-- If you're not 100% satisfied with HCD-55 Spa and Hot Tub Ozonator Kit, simply return it in 30 days. Support 12 months’ Warranty. HCD-55 Spa Hot Tub Ozonator Kit Hi-Output Ozone Generator for All Hot Tubs & Swim Spas Up to 1500 Gallons - Universal: 120V / 240V