4 in. Steel Round Storm Collar

The 4 in. Steel Storm Collar is used above the flashing to provide a weatherproof seal of the pipe above the roof line. A lock tab feature offers the option of installation without sheet-metal screws. This durable galvanized-steel Type B fitting is designed for use on approved gas appliances in residential, light commercial and industrial applications. It is UL listed for safety in accordance with NFPA standards.