Brand Name: Selkirk
*Diameter: 6 in.
*Material: Galvanized Steel
*Product Type: Wall Thimble
*Number: 6T-WT
*UL Listed: Yes
*Vent Type: Type A
*Width: 6 in.
*Maximum Temperature: 2100 deg. F
*Maximum Continuous Temperature: 1000 BTU/hr.
*Chimney Vent Type: Type A
*Gauge: 22 Ga.