The Hang On Back (HOB) Dreambox Cartridge Media Filter is a versatile and high-quality solution for maintaining optimal water conditions in saltwater aquariums. This media filter, made from durable PVC and high-quality acrylic glass, provides a customizable filtration system that accommodates various types of filter media. It includes features such as an adjustable Red Dragon® pump with fine adjustment valve, a flowmeter for precise monitoring, and silicone decouplers to prevent vibrations and leaks. The 100mm media pipe is removable, offering easy access for cleaning and maintenance. This product is manufactured in Germany with over three decades of experience in PVC filter construction, ensuring reliability and durability.