Venting

Square Top 8" Diameter, Double Wall - Black 8" Diameter, Double Wall - ET-8DM-K Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Anti-Draft Shield for Round Top Only 8" Diameter, Double Wall - ADS-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Instructions Genuine OEM Part

Round Top with Louvers 8" Diameter, Double Wall - Black 8" Diameter, Double Wall - RLT-8DM-K Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Round Top with Mesh Screen 8" Diameter, Double Wall - Black 8" Diameter, Double Wall - RT-8DM-K Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Square Top 8" Diameter, Double Wall - ET-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Instructions Genuine OEM Part

Round Top with Slip Section & Louvers 8" Diameter, Double Wall - RLTT-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Round Top with Louvered Screen 8" Diameter, Double Wall - RLT-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part