Item #: OCT-RS100 24″ x 12″ x 16″ Reef Sump
Item #: OCT-RS200 30″ x 12″ x 16″Reef Sump
Item #: OCT-RS300 36″ x 15″ x 16″ Reef Sump
Item #: OCT-RS200-BIO 30″ x 12″ x 16″ Wet Dry Filter
Item #: OCT-RS300-BIO 36″ x 15″ x 16″ Wet Dry Filter

As the main source of filtration, the reef octopus sump has a very simple design that is very easy to use and understand. The Reef Octopus sump is made well constructed and manufactured using high quality PVC for durability and appeal.