plug closeup

this is what a six inch summit or mission style register looks like before mounting in a wall. Note the round plug on the right of the picture.

back view closeup of plug

this is the plug from behind

plug with screwdriver

remove the plug with a screwdriver

plug and screw closeup

here is the plug, and the screw that will go through the hole

side view vent cover with screw

the register is ready to mount in a wall

finished look 6 inch wall mount

this is how it will look when you are done