The Red Sea Reefer DC Skimmer 300 is a protein skimmer designed for use in marine aquariums up to 300 liters in volume. The skimmer is made from high-quality materials and is easy to set up and maintain. Its compact size makes it suitable for use in smaller aquariums, while its efficient design allows it to handle larger volumes of water with ease. This skimmer is powered by a DC pump, which provides high efficiency and low power consumption. It features an adjustable height and a gate valve for precise control of the foam level. Self-leveling technology prevents over-skimming. The skimmer also includes a bubble plate and a diffuser, which work together to optimize the contact time between the water and the air bubbles, resulting in effective removal of organic waste from the water. The Red Sea Reefer DC Skimmer 300 is a high-quality and reliable skimmer that can help to maintain a healthy and thriving marine environment in your aquarium.