Mason Lite Steel Throat Damper, 39", for MFP39 | MFP-SD39 Pool Timers maintenance-free solution for those who

maintenance-free solution for those who prioritize both aesthetics and durable heating power

Ideal for seasonal pool servicing

a high-performance

Replacing worn components restores proper flow control

Keep strips in the sealed container when not in use to protect accuracy and extend strip life

Mason Lite Steel Throat Damper, 39", for MFP39 | MFP-SD39 Pool Timers maintenance-free solution for those whoMason 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