SJK Backdraft Damper (Gravity)
Compared to conventional spring loaded backdraft dampers, the SJK has superior performance characteristics due to its unique design that provides minimal resistance to air flow. The flap closes when the fan is off.
SJK Backdraft Damper (Gravity)
Compared to conventional spring loaded backdraft dampers, the SJK has superior performance characteristics due to its unique design that provides minimal resistance to air flow. The flap closes when the fan is off.
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