Installers now have a UV disinfection option integrated as a kit in most Ecoflo Coco Filter models from Premier Tech Aqua. Factory prewired and easy to install, this simple disinfection option ensures convenient maintenance and bulb replacement. A single alarm box is needed for both the UV kit and the pump. Through regulated flow, the UV disinfection option offers robust treatment performance, according to the maker. 800-632-6356; www.ecoflobiofilter.com .