Eshopps RS-200 Reef Sump - 125 to 225 gallons - 30 in. x 12 in. x 16 in.
The  Reef Sump is designed with the unique requirements of saltwater and reef aquariums in mind. Each large capacity sump includes a cover, square foam, 1 in. bulkhead, 3 ft. of 1 in.flex hose, and a 300 micron bag for excellent prefiltration. Plenty of sump space makes adding a protein skimmer or other aquarium accessory simple and easy, while the extra water capacity helps keep your main tank stable. Click here for directions on how to  install your sump/filter system .