A fantastic new tunneling and workout system designed especially for rats and ferrets. Brightly coloured polypropelene curved tubes can be joined in a variety of shapes and angles, as each join can be turned through 180 degrees. The diameter of each tubes is a generous 100mm, and each interior has ridges for easy climbing and concealed air vents, safey positioned to avoid trapping a paw or a tail. This three-way junction tube comes with clips for attaching to the rest of your centre.