The Red Sea REEFER 170 G3 is a premium reef-ready aquarium system built for serious hobbyists who want to customize their own equipment. Total system volume: 43.6 gallons (33.8 gal display, 9.8 gal gal sump). Display tank: 23.6" L x 19.7" W x 20.1" H. Total height with cabinet: 53.9". Ultra-clear glass front panel (0.39" thick) for crystal-clear viewing. Compatible equipment (sold separately): Lighting: DLX Version 1 Unit (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.