Fortress (Dark Blue 106)(Type III) formicaria or 1/4" connection between nest

or 1/4" connection between nest and foraging area

The design allows for greater control of the Casita sides for growth/expansion purposes

if intended for tiny or small ants

Magnetically removable vent (see photo)

Why the Stronghold

Fortress (Dark Blue 106)(Type III) formicaria or 1/4" connection between nestThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Dark Blue Exterior White Sand interior Type III material Medium Large species sized chambers Grassland 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,