Retrofit Device Means A Device Designed To Be Retrofitted To An Existing Wood-Burning Fireplace. Existing Chimneys Are Either Factory Built Or Brick. The Main Purpose Of The Retrofit Is To Reduce Wood Smoke Pollution From The Existing Chimney. A Base Chimney Is A Typical Existing Chimney To Which The Retrofit Device Is Mounted For Testing Purposes."Phase 2 Emission Level Certified Model" Means A Chimney Model Or Modification Certified By EPA Under The Program With An Emission Level Of 5.1 G/Kg Or Less. Models That Meet Phase 2 Emissions Levels Will Be Recognized As Compliant For Three Years From The Date Of The EPA Letter Notifying Partners Of The Model's Compliant Status. Partners May Request An Extension Of Their Certification Beyond Three Years Through Reexamination, Recertification And Recertification, Or Waiver.

• Rugged design for long life
• Rugged design for long life