Mini Hearth XL Type III (MXL 762 Silver) Fortress The Pioneer comes with a

The Pioneer comes with a side port that is 1/2" (13mm) diameter

Dimensions: 13" x 5" x 5" (225 x 125 x 125 mm)

this Mini Hearth Type I comes as shown in the photo accompanying this product

See this Stronghold link for more information about this formicarium

Mini Hearth XL Type III (MXL 762 Silver) Fortress The Pioneer comes with aReady for Immediate Shipping, this Mini Hearth comes as shown in the photo accompanying this product. ***This is the Mini Hearth XL VERSION. This new size of the Mini Hearth is modular, includes two nestmates, and is 30% larger than the original Mini Hearth. ***New Modular Design (for more information click this (link)*** Nestmate x 2 this Mini Hearth comes with a discounted nestmate option ($5 value). For more information on this feature, watch this