heater box

So looking at my heater box it appears there should be a bolt on vent/deflector on the bottom side of the defrost section. This would be where the air would blow down at your feet. I was looking through another members build (Markus) and I think I spotted this elusive beast (circled in the...

parts broken...it's the part where the heater would blow out onto the floor. so it sends the air in a direction. what is it called so i can get another one??? and where would i get this?? hope that makes sense...... thanks!

So i got my heater coil out of its box and it was so and so hard. More problem my heater box is rusty and some of the hoses have dried to it from the A/C vacuum switch. Some already were disconnected from the line. Images here also if someone has there images or know what goes were that's a real...