Majestic ID4, 4" (100mm) insulated flex duct for outside air - includes two 42" (1065mm) sections

Majestic ID4 Insulated Flex Duct – 4" (100mm) for Outside Air Optimize your fireplace’s performance with the Majestic ID4 Insulated Flex Duct. Designed for efficient outside air intake, this high-quality duct ensures proper ventilation while maintaining energy efficiency. Key Features: 4" (100mm) insulated flex duct for improved airflow control Includes two 42" (1065mm) sections for flexible installation Enhances combustion efficiency by supplying fresh outside air Durable, insulated design helps reduce heat loss and condensation Compatible with Majestic fireplaces for a seamless fit Ensure optimal airflow and energy efficiency with the Majestic ID4 Insulated Flex Duct, a reliable solution for your fireplace ventilation needs.