Full hinge covers with LED light bar refugium compartment. 4"x8" Filter sock with Holder. Size 20 x 7 3/4 x 9 1/4 overall. Need 5 1/2 behind aquarium (recommend 6).Refugiums are a great way to grow Algae for filtration, food, and provide excellent breeding grounds for pods, shrimp, and anything else that would otherwise be destroyed in your display tank. Great for macro algae like Chaetomorpha or Caulerpa. The item "Refugium, Hang on Refugium System with LED light with Filter Sock" is in sale since Tuesday, August 14, 2018. This item is in the category "Pet Supplies\Fish & Aquariums\Filters". The seller is "opha6987-xijafayf" and is located in Grand Junction, Colorado. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Viet nam.