The Pentair Aquatics Lifegard AF94T 9" tall Mechanical Filter is for all freshwater and saltwater fish only tanks up to 30 gallonsIncludes AF94T 9" Cartridge, 20 Micron, with internal carbon chamber. We carry the AF94T 9" Replacement Cartridge. Carbon not included. Chamber holds approx. 3 grams of pelletized carbon. We recommend the Inland Seas CarbonPressure gauge.75" FNPT inlet/outlets Does not include pump, hose or a method for connecting the filter to your tank. We highly recommend using the Inland Sea Suctions and Returns with the Pentair Aquatics Lifegard Filters, and we carry several models of aquarium and pond pumps.Very detailed product rendering of 9" Filter Module (new window)Product Manual (pdf format in new window)