SENSTREE Zaojiao Automatic Top Off ATO System Adjustable Float Valve Water Filler Mounting Bracket For Fish Tank Aquarium Sump

The SENSTREE Zaojiao Automatic Top Off ATO System is a reliable, non-electric water filler solution designed to maintain stable water levels in your aquarium sump or fish tank. Ideal for marine reef tanks and freshwater aquariums alike, this automatic water refiller helps combat natural water evaporation, preventing fluctuations in salinity and water chemistry that can stress delicate aquatic life. This mechanical system features a highly adjustable plastic float valve that can be customized to fit a wide variety of water level positions and heights, specifically supporting a range of zero to twenty-five Millimeters from the top of the sump. The mounting hardware includes a premium five Millimeter thick transparent acrylic bracket coupled with durable nylon screws, allowing secure installation on tank rim thicknesses ranging from five to eighteen Millimeters. Engineered for a completely leak-free operation, the unit natively connects to standard one-fourth inch tubing and comes complete with a secure sealing rubber O-ring. By eliminating the need for complex electronic sensors, power cables, or electricity, this gravity-fed or pressurized water top-off system minimizes the risk of electronic failure, ensuring your aquarium environment remains consistent and thriving even when you are away from home.