가벼운 1.95kg 지진 저항 공기 도관 브래킷 빠른 조립

Video Description:
Discover the lightweight 1.95kg Earthquake Resistant Air Duct Bracket designed for quick assembly. This Fire Rated Adjustable Galvanized Ductwork Seismic Bracing System ensures durability and safety in commercial and industrial buildings. Perfect for HVAC contractors and architects in seismic zones.
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