brand new and high quality COMFORTABLE ENVIRONMENT: Fish can grow in a clean fish for . EASY TO USE: Just move the outside and the inside will be clean. EFFECTIVELY: Effectively clean the algaes in the aquarium without fear of soiling the hands. for PROTECTION FISH : Soft wiping surface is not afraid of scratching fish for . STABLE: Powerful suction adsorption is not afraid of falling, it is easier to clean the fish for .