ok found somewhat what I was looking for.
the transparent bar are known as 'curtains' lol
here's the link
http://forum.ppcgeeks.com/showthread.php?t=37492
it has a cab that removes top and bottom curtains and one that removes only the top curtain...
this is where the somewhat comes in...there's no cab for just the bottom curtain / bar. lol
which is what I'm looking for...