Fortress (Type III)(Yellow 253) keeping ants the Atrium is larger (available

the Atrium is larger (available nest space) than the Casita and would be in between the Casita and Nucleus III in terms of nest space

This property is $5 additional

Expansion Chamber - Large Ants (+$8)

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Small/Medium species sized chambers (+10)

Fortress (Type III)(Yellow 253) keeping ants the Atrium is larger (availableThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Gold Exterior Gold Sand interior Type III material Medium Large species sized chambers (+10) Woodland Decor 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 stoppers,