4 Troyer tunnels made for SuperGourds.
"Conley #2" (also known as Clubhouse entrance) Starling Resistant Entrance Hole. Now feature BUILT IN wing entrapment guard molded into the tunnel!This SREH tunnel will give your purple martins added protection from European Starlings.
The collar makes it easy to affix to SuperGourds.
It is made to be installed onto Supergourds and is already molded to the curved shape of the Supergourd. Instructions included.
Sold in a set of 4 (four) tunnels.