Galvanized Steel
Plan
As Main Duct
Sheet Same Gauge
Galvanize Steel Rod
Splitter Damper
Brass Or Aluminium Bushing
Damper Blade (double Thickness)
Hinges (non-corrosive)
Galvanize Steel Rod
Splitter Damper,
Lock Screw
Minimum Slope 1 In 4
Air Flow
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