Related Clues:

• Vent for smoke, etc
• Sooty passage
• Sounds like it's near the coop and passage
• The D in LED
• Chimney insert
• Chimney cleaner's concern
• Certain semiconductor
• Smoky shaft
• LED part
• Smoke duct
• Smoky passageway
• Sweeping target
• Outlet for smoke or gas
• Electronics component
• LED component