Photo 1 of Accord Ventilation 34308BR 8-Inch Round Butterfly Ceiling Damper, 8 inch, Non-Insulated

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Photo 1 of Accord Ventilation 34308BR 8-Inch Round Butterfly Ceiling Damper, 8 inch, Non-Insulated Photo 2 of Accord Ventilation 34308BR 8-Inch Round Butterfly Ceiling Damper, 8 inch, Non-Insulated