Fortress Type I - Ytong (Black 1) Fortress Filling the water tower inside:

Filling the water tower inside:

In the event of additional nests being ordered you must choose between the Phalanx nests fitting together side-by-side or  2 or more of them connecting to the foraging area via separate tubing (and then each nest connected via tubing or not at all)

grey interior

Medium-Large Species is 3 levels

Fortress Type I - Ytong (Black 1) Fortress Filling the water tower inside:This product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Blonde Interior and Black Exterior Type I material Small Medium sized tunnels chambers Premium Desert Cactus decor (+$5) Museum Glass Optional 95% glare reduction (Shown in photo) Removable Vent optional What comes in the box? Fortress formicarium (as seen in photos), nestmate, mini liquid feeder, 2