The Kingsman ZDVWT Horizontal Chimney Vent Wall Thimble for 4x7-Inch Venting provides a premium installation component to be used with your fireplace. Thimbles act as transitions when an exhaust or ventilation pipe has to pass through a wall or ceiling. Walls, of course, are often combustible and have combustible material inside them (insulation, among others), and a wall thimble Venting offers a necessary addition to your venting assembly to finish your installation safely and efficiently. This Vent Wall Thimble is durably constructed and tested rigorously by Kingsman to protect your wall and inner material from the hot surface of the ventilation piping.

Features

• Type: Wall Thimble
• Rigorously tested to block heat
• Keeps your home fire code compliant
• For horizontal ventilation
• Durable and rugged quality
• For transitions through side walls of your home
• For use with Gas Fireplaces