The TPS161212 is a T-shaped hinged conduit joiner for temperatures ranging from -40 to 120°C, and conduit sizes A: NC16/NW13, B: NC12/NW10, and C: NC12/NW10. It provides very high UV protection. 3 junction fittings allow a variety of conduit size variations. These fittings are designed to snap together over all types of slit and unslit conduit, maintaining maximum conduit bore. Can be used as an in-line reducer as well as an enlarger.