This product is made to be installed with 32mm push fit pipe or fittings which actually measures 35mm. If your pipe or existing fittings do not measure 35mm, or has ABS printed on the pipe or fittings, this fitting is not compatible and you will require 36mm solvent weld fittings Waste Pipe coupling designed to join two waste pipes This listing is for a Pack of 1 Push Pipe Waste Fittings incorporate a rubber O-Ring and should be fixed in position to prevent uncoupling over time Black Pushfit Waste Pipe Fittings, Weight: 0.07 pounds, Manufacturer: Floplast