lopeztek Water Flow Controller for Betta Fish Tank, Water Change Pouring Diffuser for Aquarium, Efficiency Water Filling Accessories (Black)

[Safe and Durable]: A water flow controller made of high-quality ABS materials, is an aquarium-safe material for fish tank accessories, controls your water volume. [Fish Tank Water Diffusser]: Physically block the rush-down water flow and guide it to diffuse around and slow down to prevent the substrate get disturbed, and no debris stirred up, no fish shitstorm. [No Resettlement Required]: Keep your gravel, aquatic plants, decorations, and duckweed stay put, no more gravel covering the plants after the water change, and no need to reset your aquarium. [Protect Fish]: Avoid strong currents hitting or scaring fish, especially sensitive fish like betta, easily get frightened during water changes and you never know why. [Efficiency Pouring]: Improve the efficiency of water change, no need to add water so carefully and slowly till your waist gets pain, now feel free to fill your fish tank quickly by targeting the aquarium diffuser with confidence