Round-Square Flue Adapters

This adaptor slips inside the round flue opening, and the damper is attached to the square (top) of the adapter. Helps your damper create a snug, secure fit to your chimney. Can be used for converting the Lock-Top II cap/damper to a round DuraTech flue or other Class A (insulated) flue pipe.  Product Details Not for use with air-insulated factory-built chimneys Includes all necessary components for install Easy to install Capable of withstanding high heat Superior strength and protection High-quality finish Secure, tight connection prevent leaks and drips   WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.  FREE shipping for all orders (contiguous US only).