【Innovative Design】: The handle is specially designed for easy pressing, and the comfortable grip makes it easy to squeeze without effort. The working principle of the water changer is gravity, does not require electricity and is absolutely safe. This sand cleaner is quiet when it works, but the electric aquarium water changer makes noise when it works. ‘aquarium. Can be used to rake gravel (level the ground). Sand and gravel cleaning (remove powder particles). Faecal absorption (clean fish excrement). Quick water change (stronger suction for easy water changing). The aquarium has always been kept clean and beautiful. 【Easy to use】 Accessories: 1 x air pressure control mechanism (with a fixed valve), 2 x extended air inlet hoses, 1 x extension hose connector; 1 x water outlet pipe (the water pipe can be cut as needed); 1 x water flow clamp (easy to adjust the water flow); Instructions: If you don’t know how to use it, please refer to the instruction manual. 【Scope of application】:
