Modules AS 1851.12 Passive Fire & Smoke Systems (Ducts and dampers) PreviousAS 1851.12 Passive Fire & Smoke Systems (Fire rated glazing) NextAS 1851.13 Fire & Smoke control features of Mechanical services (Fans and Motors) AS 1851.12 Passive Fire & Smoke Systems (Ducts and dampers) AS 1851.12 Passive Fire & Smoke Systems (Ducts and dampers) $0.00 Add To Cart Facebook0 Twitter LinkedIn0 Reddit Tumblr Pinterest0