Heat & AC supply register for a basement ceiling
I'm finishing a basement 15'x15' room. Its' supply register was in the main supply duct, the plenum. I will close that off and put in a 6" round duct 8' to the exterior wall, over a window.
What type of supply register is used? The ceiling will be drywall.
I'll be adding a return register at the floor in an interior wall, about mid-room.