This fitting straps around a 100mm Soil Pipe to enable a waste pipe to be introduced into the soil pipe. It is used as an alternative option to a standard boss pipe. The boss is already open and tapped with a 2andquot;; BSP thread.All of our push fit cast iron soil fittings are treated to a factory black two-pack gloss paint finish. The whole range is manufactured in grey cast iron to BS EN 1561.This soil pipe range is particularly well-suited to installations in public buildings, listed buildings and conservation projects. It is 100% recyclable.Click here to view or download full installation instructions.