M&G DuraVent 3" Wall Thimble with 1" Clearance - Black Pellet Vent Pipe for Wood Stove & Fireplace Installation - Perfect for Home Heating Systems

This 3 Inch Pellet Chimney Wall Thimble from the PelletVent Pro series is a Type L Biofuel Chimney Pipe component and consists of the duralock system for a tight seal. Features: Type: Wall Thimble. Collection: PelletVent Pro. Type L Biofuel Chimney Pipe Component. Specifications: Overall Dimensions: 9" (W) x 8" (D) x 9" (H).

Laser-welded, double-wall pipe with a . 012" inner wall of 444 Stainless steel

Outer wall of . 018" laser welded Galvalume

Encapsulated O-ring gives secondary seal to system.

1" clearance to combustibles in the US and Canada.

Used to pass through wall and maintain proper clearances.