Five Star Aquatics aquarium-specific designed Fuge Baskets help improve the natural filtration of your aquarium while making maintenance extremely easy. Fuge short for refugium, allows you to house macro algae or biological filtration media in a rear chamber. Designed to fit LED BioCube 32 Aquarium One shelf design, two walls, bracing on top, open sided for maximum flowEasily installs in Chamber Two next to the inTank Media BasketFeatures laser cut finger holes for easy install and removal. Used for macro algae (Chaeto) or bioballs to hold it above the chamber floor preventing it from being pulled into the pump. Simple to use, allows you to create a refugium, add more biological or chemical media. Made of strong, ultra-durable USA manufactured Acrylic. Lighting hood installs as normal, you still have access to the rear chambers. Recommended to be used next to the Five Star Aquatics Media Basket as it boxes in this Fuge Basket. In a freshwater setup it is used to hold bioballs or ceramic media (place in large mesh bag) 17" Tall3-7/8" Wide 3-1/8" Deep