The Delzone APG-U Dual Voltage Ozonator delivers reliable ozone generation for hot tubs with flexible voltage compatibility—operating seamlessly at either 115V or 230V. This compact unit features the latest design in a streamlined black case, making it ideal for both new installations and upgrades. The included 1/8" x 1/4" check valve ensures proper connection to standard 1/4" inner diameter ozone tubing, while the mini JJ-type plug and cord provide straightforward integration into your system. Built for performance and ease of use, this ozonator helps maintain water clarity and sanitation in your spa environment.