Mini Hearth Type III (P4 Brown) Fortress The Stronghold formicarium is a

The Stronghold formicarium is a double-sized "Fortress style" habitat

Silver Exterior Color (Sand Interior)

Removable Vent Optional (1" opening accessed by removing a second magnetic lid on the main lid)

The photos below depict two available styles

Great Tree Desert Foraging Decor (+10)

Mini Hearth Type III (P4 Brown) Fortress The Stronghold formicarium is aReady for Immediate Shipping, this Mini Hearth comes as shown in the photo accompanying this product. ***New Modular Design (for more information click this (link)*** New Style With Two Chambers This works to calms down queens and small colonies that are more easily excitable (greater than average alarm responses to vibrations, light, etc). The Split chamber was originally designed for Pogonomyrmex occidentalis. Includes Museum Glass Nestmate this