Basin trap

[hartgeh3]

Hi guys,

Anyone know if this is 32 or 40mm, bathroom sink? Not sure what bit I need to measure?

https://www.screwfix.com/p/mcalpine-a10a-adjustable-inlet-bottle-trap-white-32mm/36251

https://www.screwfix.com/p/mcalpine-adjustable-inlet-bottle-trap-white-40mm/92522

Cheers

 

[hartgeh3]

Cheers guys, it was 32mm