Red Sea ATO Float Valve - Replacement Auto Top Off Valve - R40373 bubble reactor Works best with ZEObak and

Works best with ZEObak and ZEOstart for enhanced results

The new digital controller offers precise speed control between 30% and 100%

High-protein coral food

Designed for easy aquascaping and instant biological benefits

ensuring your scraper continues to perform at its best

Red Sea ATO Float Valve - Replacement Auto Top Off Valve - R40373 bubble reactor Works best with ZEObak andThe Red Sea ATO Float Valve (Part No. R40373) is a replacement Auto Top Off (ATO) assembly kit designed for various Red Sea REEFER and MAX aquariums. This float valve ensures your aquarium water level is consistently maintained by automatically refilling the tank when water evaporates, preventing fluctuations that could harm your aquatic life. This part is compatible with multiple Red Sea REEFER and MAX models, including REEFER Peninsula, MAX E,