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. SpecificationColor: WhiteMaterial: Aluminum AlloyInterface Diameter: 250 x 250 mm / 10 x 10 inch(L x W), suitable for 10 x 10 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.
eBay
This aluminum shutter can automatically opens and closes with airflow, adapting to different ventilation needs. 2x Automatic Gravity Shutter. Material: Aluminum Alloy. We are sure we will try hard to help till you are satisfied!
eBay
Our return air dampers are suitable for residential and commercial applications and are fit for use in HVAC systems, exhaust fans and ventilation ducts. Whether in your home, office or industrial environment, this damper is a versatile solution for maintaining optimal air quality and temperature control.SpecificationMaterial: PVCColor: WhiteInner Diameter of Interface: 146 mm / 5.7 InchOuter Diameter of Interface: 152 mm / 6.0 InchLength: 125 mm / 4.9 InchPacking List: 1 pcs Backdraft DamperAdvantageDurable plastic material, durable performance and waterproof, to ensure reliability, can be used for a long time. Smooth interface and easy disassembly. With gravity shutter flap, effectively prevent the backdraft air flow, it is suitable for use together with solid plastic ducts or flexible ducts.
eBay
Designed to provide anti back draught, and fit in between solid plastic ducting, flexible ducting. Light weight, suitable for 4in pipelines. Item Type: Back Draft Damper. 1 x Back Draft Damper. Closed with gravity, integrated forming seal leakproof.
eBay
Front actuator operated shutter. Airvent are part of the Vent Axia group. This model is for operation in conjunction with the room light switch. This fan requires permanent live, switched live and neutral (3 wires excluding earth) at the fan position in order to operate correctly.
eBay
If fitting the small end of the reducer to fan spigots or duct fittings, you will need a small piece of duct to enable a clean fit. Duct Cowling Grille is ideal for mounting on an external wall that is in an exposed position and where an outlet will be open to bad weather.
eBay
1 x Plastic Air Vent Cover. Fits BMW F30 F31 3 Series M Performance Side Skirt Decal Stickers GLOSS BLACK. Snap On False Teeth Upper & Lower Dental Veneers Dentures Tooth Cover Set Soft. Maintain air circulation indoors and outdoors.
eBay
150mm Duct Pipe Connector. Equipped with a backdraft damper for backflow prevention. Connector fits into Ø150mm round pipe ducting to connect two lengths together in a straight line. Connector type: Round male fittings - outer Ø150mm to fit inner Ø150mm of ducting pipe.
eBay