The Purpose of this tunnel is to provide safety for
the Purple Martin and increase the nesting space within the gourd.
5" wide and 3" Deep. The Floors have Traction
inside and out.
Round & Starling Resistant Entrance
|This Tunnel Fits the Bo Nine, Bo Eleven
Plus, Bo Gourd, Big Bo
Gourd (both the BBG and the Bg Require the rectangle entance. See BBG
and BG information).
Also fits the ComBo Gourd and the Combo
Plus Gourd to make them "THE PERFECT GOURD".
With a Minor amount of
Customizing the Ultimate Tunnel will fit:
1.) Natural Gourds
All other Manufactured Plastic Gourds
The Ultimate Tunnel Makes a Trio and a Coats house into a modern and
Photo by John Atteberry
Also makes a perfect entrance for a "Home Made" Wood House.