Photo 1 of PATIKIL 7" Backdraft Damper with Ducting Hose Clamp, 1 Set Stainless Steel Flexible Airflow Insert Backflow Preventer Draft Blocker for Kitchen Bathroom

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Photo 1 of PATIKIL 7" Backdraft Damper with Ducting Hose Clamp, 1 Set Stainless Steel Flexible Airflow Insert Backflow Preventer Draft Blocker for Kitchen BathroomPhoto 2 of PATIKIL 7" Backdraft Damper with Ducting Hose Clamp, 1 Set Stainless Steel Flexible Airflow Insert Backflow Preventer Draft Blocker for Kitchen Bathroom