The ClearPC Optiplex 790 “USFF” clear housing prevents outright computer theft, outright data theft and provides a tampering deterent.  Optionally, this housing can be built “sealed” to keep particulates like dust or flying shop debris out of the PC housing.  This unit features three locks on the front door,  full length hinges, venting, 1/4″ thick bonded lock stops and 4 screw holes in the bottom of the box to allow you to securely fasten the housing to the floor through approximately 3/8″ of acrylic.