A vent apparatus (10, 600) includes a perforated screen (12), a door (18), and a handle. The screen includes hexagonally shaped perforations (15). The door is adjacent a first face (13) of the screen and includes at least one arm (20, 22) that extends through at least one slot in the screen. The handle is in operative connection with the at least one arm and is operative to cause the door to move between a closed position (62) adjacent the screen to one of a plurality of open positions (64) extending at an acute angle with respect to the screen.