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18” Start Collar w/ Damper
$29.3618 Inch Start Collar with Damper creates a secure connection between a supply plenum and compatible 18-inch round ductwork. Its integrated damper allows airflow to be adjusted for improved HVAC system balancing.
- Designed for compatible 18-inch round ductwork
- Connects ductwork to a supply plenum or trunk
- Integrated manual airflow damper
- Supports HVAC system balancing
- Suitable for residential and light-commercial applications
- Ideal for new installations and replacements
