Red Starfish Quarantine Containers are great for introducing new fish or corals. Can also be used as a mushroom box to keep them from getting blown away. Removable baffles and hinged doors make these super easy to us and versatile. Sizes RF-2S: 2-Chamber, 8” x 4” x 6” RF-2L: 2-Chamber, 10” x 6.7” x 8” RF-3A: 3-Chamber, 12” x 6” x 8”