4 Inch Backdraft Damper, Stainless Steel Flexible Airflow Ducting Insert Backflow Preventer Draft Blocker for Kitchen Bathroom Exhaust Fan, Silver 14mm X 7mm It is a Universal Laptop

It is a Universal Laptop connector for external power supply and on-board transformer

switch cabinets

Features flat poine

Features: twisted handle

Total Length: 45 mm(1

4 Inch Backdraft Damper, Stainless Steel Flexible Airflow Ducting Insert Backflow Preventer Draft Blocker for Kitchen Bathroom Exhaust Fan, Silver 14mm X 7mm It is a Universal LaptopThe backdraft damper is used to prevent the backflow of smoke or exhaust gas through air duct when the ventilation fan is off, it also prevents debris, dust and odor from entering your room. Widely used in dryers, extractors or range hoods, and other HVAC applications. You can install it in your home, kitchen, bathroom, office or living room which needs a ventilation system. Specification Color: Silver Material: 201 Stainless Steel Outer Diameter of