SV18855 | 4" Port With Damper | BROAN-NuTone

**SV18855 4" Port with Damper** The SV18855 4" Port with Damper from BROAN-NuTone is a robust component designed to regulate airflow in industrial ventilation systems. Constructed from durable materials, this port ensures longevity and reliable operation. Key Features: * 4-inch diameter for optimal airflow management * Integrated damper allows for precise control over airflow volume * Designed for use in ventilation systems * Compatible with various system configurations * Made from high-quality materials for exceptional durability The SV18855 4" Port with Damper is an essential component for industrial engineers and maintenance professionals seeking to optimize airflow efficiency and control. Shop now at our HVAC supply store for the best prices and fast shipping on all your industrial supplies!