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Titanium heat exchanger for durability
Locking flange component
allowing you to enjoy countless gatherings around your fire pit without concern
consistent airflow for spa jets and aeration systems
Mason Lite Steel Throat Damper, 39", for MFP39 | MFP-SD39 Fireplace Control Parts Titanium heat exchanger for durabilityMason Lite MFP SD39 39 Inch Steel Throat Damper For MFP39 The Mason Lite MFP SD39 is a 39 inch steel throat damper for compatible MFP39 firebox installations. It is designed for fireplace assemblies where a steel throat damper is required. This damper eliminates the need for a separate damper block in the compatible setup. 39 inch steel throat damper For compatible MFP39 fireboxes Used in approved fireplace throat assemblies Damper block is not