The Red Sea REEFER 250 G3 is a premium reef-ready aquarium system built for serious hobbyists who want to customize their own equipment. Total system volume: 65 gallons (53.6 gal display, 11 gal gal sump). Display tank: 35.4" L x 19.7" W x 20.9" H. Total height with cabinet: 55.1". Ultra-clear glass front panel (0.47" thick) for crystal-clear viewing. Compatible equipment (sold separately): Lighting: DLX Version 2 Units (RL G2 115) (optional). Circulation: Not included. All smart devices connect via WiFi and are controlled through the Red Sea ReefBeat app. Authorized Red Sea dealer — full manufacturer warranty included. Available at Rift 2 Reef Aquatics in Highland Village, TX.