Fortress (Type III)(Grey 6301) Fast formicaria The Atrium is intended to

The Atrium is intended to provide additional opportunities for viewing and lighting that will assist in capturing videos and images

the hole will still be included with a plug to fill this opening

These additional magnets (see photos) are in the middle of the formicarium and help to ensure small debris does not filter down in between the glass (not an issue with medium and large ant species) and create smaller gaps for tiny workers to slip through

No Foraging Decor

Fortress (Type III)(Grey 6301) Fast formicaria The Atrium is intended to*****This is a Black Friday Cyber Monday Formicarium***** ***Please NOTE: You are ordering the formicarium in the photos on this page.*** See this fortress link for more information about this formicarium. Features: Type III material Decor and Color per photo Medium Large species sized chambers Museum Glass Optional 95% glare reduction (Shown in photo) Removable Vent optional What comes in the box? Fortress formicarium (as seen in photos), nestmate,