The Red Sea RSK-600 protein skimmer delivers efficient organic waste removal for reef and marine aquariums. Features an adjustable air-silencing mechanism for quiet operation and an easy-clean collection cup. Precision needle-wheel impeller creates fine, consistent bubbles for maximum skimmate extraction. Designed for in-sump installation in Red Sea REEFER and MAX aquarium systems. Authorized Red Sea dealer — full manufacturer warranty included. Available at Rift 2 Reef Aquatics in Highland Village, TX.