Betta Tank Fighter Fish Display Tank The display tank comes with a 55w glass heater , a 102 power head and 3 x led lights. The dimension for the Betta tanks are as follows: 88cm (L) x 25cm (W) x 80cm (H) No plumbing required. Holds 24 fighting fish/betta that is all heated and filtered through one system. Control the water flow with separate valves for each individual tank. On display in our aquarium showroom.