Awenta 4" inch / 100 mm External Gravity Grille - Black Air Vent Cover with Shutters - Ducting Exhaust Hood Vent. Extractor Fan Back Draught Covers with Flaps, Outdoor Wall Ventilation Air Cap.
Cover shutter flaps serves to shield your ventilation duct from unpleasant odors, noise, backdraft, rain, wind, snow and the entry of objects or pests during periods of inactivity
£ 7.95
4" 100mm, 5" 125mm, 6" 150mm in-line Extractor Fan Vent Back Draught Shutter (4" 100mm)
Please note that 4" 100mm shutters have 1 spring and not 2.
free shipping
Single 4 Inch 100mm Duct Backdraft Blocker with Backdraught Shutter - Prevents Drafts in Dryer Vent Hose, Inline Extractor Fan Vent, and Pipe Connectors
You will receive a Single 100mm 4 inch plastic ducting connector with inline backdraught shutter gravity damper flap. Material PVC plastic. Colour white. Diameter 100mm.Prevent cold air from entering through home exhaust fan ducting using back draught shutter.
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WeCooper Cowled External Air Vent Covers 100mm,4 inch 304 Stainless Steel Grille with Backdraft Shutter,Walls Extractor Fan Vent Weatherproof
EASY INSTALLATION Easy indoor or outdoor installation. Stainless steel external vent with rear spigot for use with 100mm ducting systems. Available for wall mounting or ceiling mounting. The wall vent is fixed in place by 4 screws. The included rubber gasket minimizes noise
100 mm Clean Air Wall Mounted PVC External Wall Wind Sound Baffle Vent Cover for Fresh Air Draft Excluding Air Ventilation for Extractor Fans & Heat Recovery
100mm (4") dia duct connections. Decoration of supply and exhaust vents of public, residential and industrial ventilation systems.
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Inline Bathroom Extractor Fan 100mm /4 Inch, In Line Duct Fan Mixed Flow 220m³/hr - Grow Room Fan Tent Hydroponic Ventilation System
Built to Last Duct fan casing is made of premium ABS material, oil, moisture and corrosion resistant. Protect motor and blades well from accidental damage or even in harsh environments to reduce maintenance in demanding applications.
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Repa Market 4 Inch (100mm) Backdraft Damper/Galvanized Steel Draft Blocker/One-Way Airflow Stopper/HVAC Exhaust Duct Connector/Inline Spring-Loaded Backflow Preventer for Secure Ventilation
Measurements Diameter 3.90''Inch (99 mm) Lenght 3.46'' Inch (88 mm) Middle stop point thickness 0.39'' Inch (10 mm). Maximum working temperature 100 C
£ 12.95
Manrose 100mm Diameter Back Draught Shutter, Plastic ducting, Ventilation, hydroponics Grow Room
Ventilation Centre
£ 11.86
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Air Vent 431302 Slimline Low Profile 100 mm 4-inch Bathroom Extractor Fan with Timer and by Generic Backdraught Shutter, White
Airvent 431302 Slimline Low Profile 100 mm 4 inch Bathroom Extractor Fan with Timer and by Generic Backdraught Shutter
£ 24.99
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Hon&Guan Smart 100mm Bathroom Extractor Fan with Humidity Sensor, Timer, Automatic Operation, 4 Inch Extractor Fan Bathroom 10W 95m³/h Silent
Friendly reminder Please refer to the instruction manual for the functional settings of the bathroom extractor fan. If you have any questions, the Hon&Guan Team will be happy to assist you
£ 59.99
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Vent Systems 100 mm / 4" Inch Backdraft Damper Stopper - ABS Plastic Male Fit Dryer Vent Backflow with Shutter - One-Way Airflow Ducting Insert - Inline Fan Vent, Exhaust Pipe Adapter/Connector
APPLICATION The backflow preventer valve is installed by pushing it into the HVAC PVC pipe plastic pipe. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. Pipe fitting for use in an air duct, duct vent or AC duct. For home improvement - home, kitchen, bathroom or garage shed.
£ 8.98
Blauberg Black Gravity Grille 100mm - 4 inch External Ducting Air Vent with Round Spigot Intake Wall Extractor Fan and Non-Return Gravity Shutters for Extractor Fan Ducting Exhaust
Plastic ducting air Inlet air outlet with Gravity shutters - 4 inch 100mm round male spigot on the back of the grille for indoor or outdoor use. Designed to terminate your extract duct to an external wall.
£ 9.99