Fortress Type III (Bone 138) keeping ants but assume Large would still

but assume Large would still be best "classification" for design

Small tunnels and chambers - 4 levels

All Fallen Fortress formicaria come with 2 connection ports

The Phalanx formicarium

Fortress Type III (Bone 138) keeping ants but assume Large would stillThis product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Bone Exterior Type III material Medium Large species sized chambers Rocky Woodland Foraging 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, connection tube,