🧰 Features to Look for in Fire Damper Products
UL 555 or BS 476 certification
Tested for 2–4 hours of fire resistance
Corrosion-resistant construction (galvanized or stainless steel)
Fusible link or motor actuator system
Easy installation and maintenance access
Fire rating labels and third-party quality verification
https://airmasteroman.com/prod....uct/motorized-fire-d
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