Ref: 6639
White Display Grade Socket. Schedule 40 Standard.
IMPORTANT SIZE INFORMATION : 1/2" Fittings measure 21.4mm internally and are designed to take 1/2" sch40 pipe which also has an outside diameter of 21.4mm. They are NOT compatible with plumbing / waste pipe commonly found in DIY and plumbers merchants.
PVC Plastic Pipe and Fittings 1/2" White Display Grade Socket