Fire rated door

A fire rated door apparatus having a vision panel, comprising:

• one frame member, said one frame member comprising a first housing, said first housing including a segment and first and second legs angularly connected to said segment, said segment and said first and second legs of said first housing forming a first open chamber, and a second housing, said second housing including a segment and first and second legs connected to said segment, said segment and said first and second legs of said second housing forming a second open chamber;
• one plate lying across said first and second open chambers without contacting said first and second housings;
• a first fastener for fixing said first housing to said one plate and a second fastener for fixing said second housing to said one plate;
• a fire resistant filler unit positioned in said first and second open chambers, said fire resistant filler unit lying adjacent said one plate, said fire resistant filler unit providing a passageway;
• one holder, said one holder providing a recess, the vision panel at least partially occupying said recess of said one holder;
• and
• said first and second fasteners connecting said one holder to said first and second housings.