These connectors from Kockney Koi are a range of flexible rubber fittings that are reuseable and easy to install
Connected with hose clips there is no need for glueing, just simply tighten with a screwdriver. If you make a mistake you can just unscrew the fitting and move it.
-No Glueing, no cleaning
-Ideal for permanent use, emergency repairs, show vats etc.
-110mm(4") Elbow for 102mm to 115mm waste pipe