110mm ( 4'' ) Black boss strap (secures around your 110mm pipe allowing access for a 32mm or 40mm waste )

32mm solvent adapter ( glues into the strap reducing the hole to 32mm solvent waste , can be referred to as 36mm or 1 1/4 )

40mm solvent adapter (glues into the strap reducing the hole to 40mm solvent waste , can be referred to as 43mm or 1 1/2 )

Choose the combination you need from the drop down menu above .

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