Standard close seat - 4760T-PL-0
Soft close also available
Kohler toilets , basins , baths and accessories also listed
Soft close option
https://www.ebay.co.uk/itm/196001813319?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=0q1TnMsIQoa&sssrc=4429486&ssuid=0q1TnMsIQoa&var=&widget_ver=artemis&media=COPY