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Aire Limpio Global Oficial - ✓Tipos de Dampers Un backdraft damper es un amortiguador de gravedad (cuando no está motorizado) que permite el flujo de aire en una sola dirección. Cuando se
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HVACQuick - Canarm Leader Motorized and Gravity Dampers for AX and P Series Fans
Gravity Damper
HVAC FAMCO 8 Inch Butterfly Backdraft Damper for Heat Exchangers, Solar Heating Systems, Intake/Exhaust Applications | Opens with Normal Airflow/Closes w/Gravity + Galvanized Steel | FAMCO - Fireplace Damper Hooks - Amazon.com