inTank Media Basket for Fluval Spec, Spec III and Evo 5 Fits Fluval Spec, Spec III, Spec V, and Evo 5 model aquariums. Included: FREE Surface Skimmer piece Easily installs in Chamber One where water enters. No modification needed to install the Media Basket Features a built in handle. Forces water through filtration media and not just around it Media Basket is four sided with one being a removable door for easy and fast filter changes. Simple to use, greatly improves the filtration and clarity of your aquarium Made of strong, ultra-durable USA manufactured Acrylic. Close off small lower hole to greatly increase flow into the Media Basket.