This is some models from the Connect Air collection of Ideal Standard. The file contains:
Connect Air WC - 55x36x33
Connect Air bidet - 61x36x30
Dea sink - 39x60x13
WC cleaner - d8, h35
WC button - 14x22
Melange bidet mixer - h15
Dea sink mixer - h29
Mirror with incorporated lighting - 71x80
!Dimensions in [cm]
Most of the object have OpenSubdiv modifier. Feel free to change it with Turbosmooth if you don't have access to OpenSubdiv. They are not collapsed.
Enjoy :)