Aquarium filter Size:5*5*5 cm just press the button on

just press the button on the watch controller for perfect action and wonderful performance

You can easily install it on the existing horn system / separate switches and enjoy the benefits of 120 dB volume

Size：4 x 4 x 2 inches

With normal use

Aquarium filter Size:5*5*5 cm just press the button onAre you tired of changing your aquarium water weekly? A clean aquarium is more eye pleasing & attractive compared to a dirty aquarium! Your friends & families will also admire a clear & gorgeous aquarium! Besides, a cloudy & murky aquarium will have severe effects on the health of your aquatic pets as they will be exposed to ammonia, nitrates & nitrites! With Aquarium filter, you dont have to change the water as often & you only need to wash or