Description： The oil film not only affects the appearance of light reflecting on the water surface, but also importantly, severe oil film will reduce the illuminance of the light and reflect a part of the light back into the air. But for aquariums that raise grass and fish, it is not easy to do without oil film at all. Our combined Aquarium Surface Skimmer solves this problem by sucking a portion of the surface water, and any film that's on it, into your filter where it is removed, leaving you with a perfectly clear water surface. Function： Adjustable skimmer flow intake: removable, rotate around to adjust flow, 360-degree intake float is positioned consistently at the surface and the flow control valve enables you to increase or decrease flow rate to your filter.
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