The Plumber's Choice 3 in. x 7 in. Yellow Gas Warning Sign Gas Vent Directly Below Keep Clear of All Obstructions

This gas warning sign saves lives every day. Since most gas vents are located outdoors, they can easily get obstructed by vehicles, large objects, debris and snow. Obstruction of proper ventilation causes system damage, carbon monoxide buildup and is a leading cause for fires. Keep your property safe by posting this sign directly above your gas ducts.