Insulation does not accumulate near vent piping. Installations that pass via an attic are required. Twist-lock connections are safe and secure. Provides 1" clearance to combustibles. Fits PelletVent Pro Vent Pipes with a 3" inner diameter. A limited lifetime warranty is provided. A venting pipe with a 3" inner diameter is required for this unit. PelletVent Pro's DuraVent Attic Insulation Shield was created to be a long-lasting alternative for putting a fireplace in your house. Is specifically designed for Vent Pipes that have a 3" inner diameter, helping to give you peace of mind that your attic is protected from the heat and smoke that passes through your chimney so that you can sit down, kick back, and relax in front of your new fireplace unit.

Prevents insulation from accumulating near vent piping *Required for installations that pass through an attic Secure twist-lock connections Provides 1" clearance to combustibles Fits PelletVent Pro Vent Pipes with a 3" inner diameter Limited lifetime warranty