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Combination Louver/Damper

4" Deep Aluminum Combination Louver/Backdraft Damper
LBD-4E
4" Deep Aluminum Combination Louver/Backdraft Damper
4" Deep Aluminum Combination Louver/Backdraft Damper
LBD-4E
4" Deep Aluminum Combination Louver/Backdraft Damper

Application

The Models LBD-4E is a weather louver designed to protect the outside opening in building exterior walls. The LBD-4E may be used for exhaust air applications only. This louver incorporates drainable blades and downspouts jamb and gutter design for high performance.
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