You remove all the A/C components until your firewall is bare. The delete plate screws on, using factory bolt holes. A bead of seam sealer or rope caulk is advisable.
He also has the blower motor delete plate, which is not appropriate for a street driven car as you need the windshield defogger.
The photo in the catalog is very poor quality, so I won't post it. You can call Jim at (586) 336-1930 for details.
Vikki 1969 Goldenrod Yellow / black 400 convertible numbers matching