Nucleus (BF)(Black 3879) Fortress The standard port sizes are

The standard port sizes are 3/8" for most of our formicaria

a key feature of the Mini Hearth XL is the connection port located on the left and right side for future expansion and options for moving the colony when they outgrow their habitat

This is a very similar design to our popular Fortress formicarium

ice packs will only help for a short time

Nucleus (BF)(Black 3879) Fortress The standard port sizes areFor more information on the Nucleus III click here. If you are ordering the product on this page you will receive the formicarium shown in the photos along with any options you choose Includes Nucleus III formicarium and all accessories. The Nucleus III is our proprietary Type III material Optional Museum Glass Optional Removable Vent (Lid on a lid, exposes a 1" opening) 3 Water Towers for long term hydration 2 Nestmates for drinking water inside the