NICREW Aquarium Filter 40 L Internal Aquarium Filter Black

3 in 1 Aquarium Filter The internal filter is equipped with an aquarium pump and a double filter medium, which filters water at the same time and forms a fountain, Quiet and Powerful The pump is very quiet but powerful enough not to disturb your fish (the pump must be completely submerged in water during use), PERFECT DESIGN Ultra-low water level is also suitable for low water level aquariums. The water inlet fence prevents small animals from entering the filter, Replacement: It is recommended to replace the sponge every 30 days, EASY INSTALLATION With 5 strong suction cups, easy to place the filter into the aquarium and attach to the aquarium wall.