Aqua One Betta Haven Acrylic Tank 7LAqua One Betta Haven Acrylic Tank 7L The Aqua One Betta Haven provides everything you need to create the ideal environment for a Betta fish. Designed with safety in mind, the Betta Haven features low voltage equipment and energy efficient LED lighting. The easy to use compact filter will help to maintain water quality, providing both mechanical and biological filtration. Together with the preset heater to keep the water at the right temperature, it