Mason-Lite Steel Throat Dampers - MFP-SD

The Mason-Lite Steel Throat Dampers (MFP-SD Series) are heavy-duty fireplace components designed specifically for use with Mason-Lite modular masonry fireplaces. Built from durable steel, these throat dampers provide reliable airflow control, heat efficiency, and combustion regulation without the need for damper blocks.

Engineered for performance and long-term durability, each unit ensures a secure fit within compatible Mason-Lite firebox systems, helping optimize draft control and improve overall fireplace efficiency.

Ideal for both residential and custom fireplace installations, the MFP-SD series is a trusted solution for professionals seeking high-quality masonry fireplace dampers with simplified installation requirements.

Features

• Designed specifically for Mason-Lite fireplace systems
• Heavy-duty steel construction for long-lasting durability
• Provides precise airflow and draft control
• Improves combustion efficiency and heat retention
• No damper blocks required for installation
• Easy integration with compatible Mason-Lite fireboxes
• Ideal for masonry fireplace builds and custom installations
• Supports safe and efficient chimney performance
• Professional-grade fireplace accessory for builders and installers

Specifications