eBay
MULTIPURPOSE The One-Way Airflow ducting damper is designed to be mounted between two ducts to prevent backdraft when the fan stops.It's an excellent choice for various HVAC systems, such as range hoods, bathroom exhaust fans, kitchen ventilation, air conditioning systems, heating ducts and vents, etc.WHAT YOU GETThe package comes with 1 Pcs Silver Tone HVAC Backdraft Damper with a 5-inch(124mm) outer diameter of interface and 2.3-inch(58mm) overall length.RELIABLE MATERIAL This Backdraft Damper, constructed with a galvanized steel body, aluminum damper blades,and stainless steel spring, precisely manufactured, with great durability and stability. It can quickly respond to change airflow direction, ensuring one-way airflow in the air duct system.
eBay
100mm Bathroom Extractor Fan. Max Flow Rate: 72m3/h.
eBay
It features a lightweight and durable construction, ensuring long-lasting performance and easy installation. Effective Backflow Prevention: The shutter effectively prevents cold air, unwanted odours, and contaminants from entering your space by blocking reverse airflow when the ventilation system is not in use.
eBay
Automatic slow opening / closing backdraught shutter. Normally used in bathroom / toilet locations. Requires permanent live, switched live and neutral wires (3 cores excluding earth) connected to function correctly.
eBay
Vent-Axia LoWatt SELV WCBP 100mm Axial Shutter/Pullcord Extractor Fan 459049 Two speed New old stock Box has been opened and is faded from storage See photos for detail
eBay
The shutter louvered vent is designed to open and close automatically using gravity, normally used with flow fan for air exhaust and ventilation. It has good ventilation performance and easily block backdraft and unwanted air, moisture and dust. SpecificationMaterial: Aluminum AlloyInterface Diameter: 200 x 200 mm / 8 x 8 inch(L x W), suitable for 8 x 8 inch vent hole and duct openingPacking Listing: 1 x Exhaust Fan Louvered VentAdvantageThe Louvered Vent is constructed from top-grade aluminum, ensuring long-lasting durability with resistance to corrosion or rusting.Instruction1. Remove the protective grille of the flow fan; 2. Embedded the vent cover into the fan outlet; 3. Fix the vent cover with screws(not included)NOTEBefore the installation, ensure that the vent cover dimensions match your flow fan or wall openings.
eBay
The push fit design allows quick installation between rigid duct pipes or flexible ducting without requiring specialised tools. This 125mm backdraught shutter connector prevents cold air and odours from flowing back through your ventilation ducting.
eBay