Reptology presents the Crystal-Falls Tiered Water Filtration System by Penn-Plax.This Filtration System is designed to filter and aerate water for Vivarium & Terrarium habitatsoccupied by Aquatic Turtles, Amphibians, Frogs, and Fish.In addition, the cover and ramp serve as basking surfaces,allowing for your pet to self-regulate their temperature.PLEASE NOTE: Aquatic Turtles, Amphibians, Frogs, and Fish NOT INCLUDEDInspired By Nature:Without compromising form over function, the Crystal-Falls Tiered Water Filtration System features a cascading waterfall that enhances the beauty of any habitat.Furthermore, this system is constructed from safe and durable resin that’s scratch resistant.Cascade 170 Internal Filter:Comes with a Cascade 170 Internal / Submersible Filter (Model# CIF4)that is slightly modified for the Crystal-Falls Tiered Water Filtration System.The filter is suited for 10 Gallon Aquariums,and pumps water at 45 Gallons per Hour.Versatile & Reliable:The Filtration System includes 2 replaceable Carbon Cartridges.While we offer a Two-Pack for replacements (Model# REP178),there is additional space inside for you to add your own filter media.Measurements:Overall – 6.5” (H) x 11.75” (W) x 6.25” (D)Lid / Basking Top – 5” x 5”Ramp – 8.5” x 4”Waterfall Opening – 1” x 2”