Internal GFO Carbon & Biopellet Filter Media Reactor with Sicce Pump Aquarium A magnetic mount easily and securely attaches the FR-S reactor to your sump, or the back chamber of your All-In-One style aquarium. Diameter: 2.6" Height: 9.8" Pump(included): SICCE MICRA (90GPH Max.) Glass thickness: up to 3/8" Using GFO: up to 50 gallons