- Easy to install: The system can be easily attached to your aquarium tray. - Transparent bracket with hand-tightened screws: Provides stable mounting. The multi-purpose holder can also be used to fix a tank spray system on water and land surfaces. - Wide application and automatic operation: The aquarium water filler can be used to replenish water in aquariums and improve the living environment of the fish. It has fully automatic start and stop and requires no electricity. - Adjustable: Designed to fit a range of tray and tank sizes and spray configurations. Use scenarios - Evaporation replacement: Maintain stable water level in daily maintenance for freshwater or saltwater tanks without using power. - After-water-change refill: Top off gradually after changes to preserve water parameters and reduce stress to fish. - Flexible mounting: Secure a spray or mist system on water or land surfaces for tank cleaning, aeration, or auxiliary filtration.