Fortress (Type III)(Beige 1129)(Vermiculite) custom formicaria Dimensions: Standard Nest Size -

Dimensions: Standard Nest Size - 3 5/8" x 1 13/16 x 1 3/4"

so choose the one that you think suits you or your ants best based on your experience

Open Chamber - Water Tower In Foraging Area

White Sand Interior/Light Blue Exterior

Fortress (Type III)(Beige 1129)(Vermiculite) custom formicaria Dimensions: Standard Nest Size -This product is available for immediate (2 3 business days) shipping. See this fortress link for more information about this formicarium. Features: Beige Exterior Vermiculite Interior Type III material Medium Large species 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, connection tube,