[]This heavy-duty protein skimmer removes naturally occurring protein and other organic wastes in the aquarium. The protein skimmer is very quiet and 't disturb your fish or critters. [Easy to use]Easy to use, equipped with an air pump to filter heavy metal substances such as protein colloids and organic particles from water, quickly and effectively. [Keep Aquarium Water Clean]It is very suitable for cleaning the unwanted protein colloids in the fish tank, providing a fresh and healthy breathing environment for the fish. Helps improve exchange and keep aquarium water clean and clear. [Complete standard]The design of saving floor space, especially suitable for use in the oil pan with small floor space. Suitable for most fish tanks, convenient and practical. Material:plastic colour:As Shown Package Contents: 2 x Splitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.