Highlights:
- Nominal Size: 3″
- Inside Diameter: 3-5/8″
- Outside Diameter: 7-1/2″
- Finish: Galvanized?
- Type L pellet vent wall thimble must be used in all thru-the-wall installations involving combustible construction?
- Maintains airspace clearance
- Centers pipe between walls
- Telescopic design can be used on standard walls 5″ – 9″ thick
- UL listed
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