Help keep your paddling pal’s pad clean with the Zoo Med 318 Turtle Clean Submersible Reptile Tank Filter. Claw-fect for your turtle habitat， this filter is designed to work on tanks up to 30 gallons. It features a combination of mechanical， chemical and biological filtration methods. This fully-submersible filter for your reptile tank includes dual intake ports to help prevent debris from clogging the unit. It comes complete with a packet of two activated carbon and filter sponges that are easy to change as needed.