Excel Insulated, 6" x 18" Adjustable

EXCEL chimney is specifically engineered for wood burning stoves, fireplaces and residential furnaces and it is suitable for use on appliances that burn:
- Wood - Oil - Coal - Gas - Charcoal -

Allowable Flue Gas Temperatures
Max Continuous 650°C (1200°F) 
Brief Forced Firing 925°C (1700°F)
Tested To 1150°C (2100°F)

Clearance to Combustible Materials
2" clearance except in areas protected by factory-built supports certified for reduced clearance. EXCEL round and square supports permit the chimney to be installed with approximately 1 inch of clearance - in the area shielded by the support.