The Slip Tee is perfect, just slip it over the pipe and you're done.
Excellent quality UV stabilised Slip Tee to fit standard 25mm or 1" PVC plumbing pressure pipe (not electrical conduit).
Pipe Recommendation: the outside diameter of the pipe to be used for a 25mm connector is 33.4mm. Using 25mm PVC plumbing pressure pipe ensures that the connectors will fit perfectly.
Example of 25mm Slip tee in use