Keep your filter system simple and convenient with the intuitive filtration system found in the Tetra Whisper EX-20 Power Filter. The patented carbon filter carrier, in addition to the innovative Timestrip technology, continuously helps prevent debris build up and lets you know when it’s time to replace your carbon filter. Maximize your turtle tank’s oxygenation and water agitation with the EX-20. Setting the Power Filter up is simple, too, as it’s ready to go right out of the box. Use Tetra carbon filters with this system and remember the Timestrip Cartridge Change indicator is also included. Product Dimensions: 5.8 x 6.2 x 9 inches.