The Superior Rigid Horizontal Firestop for 6DVL Direct Vent Lock System, 10 Pack provides a premium accessory for use with your gas fireplace. Featuring heavy-duty stainless steel construction, this unit has been built to last. A 6-inch inner diameter and a 9-inch outer diameter create an ideal size for many applications. This firestop offers a necessary component to complete the installation of your direct vent fireplace.

Product Features

• Durable Design - Heavy-duty stainless steel construction for long-term durability
• Convenient - 6-inch inner diameter and a 9-inch outer diameter create an ideal size for many applications