Astria Damper Clamp for Vented Application GA6080Astria Damper Clamp for Vented Application GA6080 Product Details What is the purpose of the Astria Damper Clamp for vented applications, and how does it improve fireplace safety and functionality? The Astria Damper Clamp for vented applications serves to keep the damper slightly open in a fireplace, ensuring that harmful gases, such as carbon monoxide, are safely vented out of the home when using gas logs. By preventing the damper from fully closing,