New Kockney Koi Yamitsu cheaper

3" 82 mm solvent waste fittings, commonly called 3" soil pipe

Outside of the pipe and inside of the fitting should be around 82 mm.

Designed to be used with solvent cement for a watertight seal.

Available in different styles of fittings, please see picture and selection list

Note new long socket joining piece and equal tee also the elbow is shorter than the polypipe version.