10 Best Extractor Fan Back Draught Shutter for 2025

Manrose

• Can be mounted onto the spigot of the
• 4 inch 100mm XF, SF fans
• or In-Line in the ducting

Klimapartner

• Back draught flap for insertion into ventilation pipe size DN 100 (4 inch). The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct
• A good sealing and fastening of the duct is achieved by the foam strip attached to the outside of the damper.The rubber sheath applied to the damper prevents loud rattling when the flap blades are opened. The housing of the flap is made of galvanized steel, the flap blades are made of aluminum, the axle and spring are made of stainless steel
• Designed for use in AC, dryers, exhaust, extractor or range hoods, Heating, Vent and other residential, commercial and industrial HVAC applications
• INSTALLATION; The backflow valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.

OOPPEN

• ★ Protection class: IP34; Voltage/frequency: 220~240/50Hz, Power: 22W, Airflow: 201m3/h, Speed: 2350RPM.
• ★ Ball bearing motor running more stably and quietly.
• ★ Modern design and good looking. ABS front panel, Quiet operation, Back Draught Shutter.
• ★ The extractor fan is adopted quality ABS plastic material, not easy to be deformed, good workmanship and durable to use.
• ★ Durable, build-in copper motor with thermal protection, can work continuously without maintenance.

VENTS

• Will reduce heat loss when room is not being extracted
• Prevent animals entering through the ducting
• Can be fitted Verticaly or Horizontaly
• Reduce noise's and smells from entering through ducting

Blauberg UK

• Stylish designer bathroom, kitchen extractor fan in a UV resistant, Brilliant White finish.
• Long life ball bearing 240 V energy saving motor, only 7.5 W running Power. Live and neutral wiring connections.
• An impressive 90 m3/hour extract airflow rate (25 l/s). fitted with anti draft shutter.
• German Engineered design with anti vibration mounts ensures low noise, only 26 dba sound level.
• Comes with humidity sensor
• Stylish designer bathroom, kitchen extractor fan in a UV resistant brilliant white finish.
• Long life ball bearing 240 v energy saving motor, only 7.5 w running power. Live and neutral wiring connections.
• An impressive 97 m3/hour extract airflow rate (27 l/s). Fitted with an anti back draft shutter.
• German engineered design with anti vibration mounts ensures low noise, only 25 dBA sound level.
• Choose the following control options: run on timer, pull cord, timer/pull cord, Humidity Sensor and PIR movement detector options.

SmartHome

• Back Draught Shutter Extractor Vent.
• Pack of 1.
• Fits Inside standard size 100mm diameter 4 inch ducting.
• Stops back draught and wind noise when a fan is switched off.
• Suitable for commercial and domestic use.

neverest

• Backdraft Nominal width 100 mm (4 inch) (exact dimensions see drawing), Galvanized steel housing, Flap leaves made of aluminum, Axis and spring made of stainless steel, Back draught valve for insertion into ventilation pipes, Reduces noise due to internal rubber seal
• The backflow flap RK opens and closes automatically. It has a smooth-running spring and should therefore be installed horizontally or vertically only as an exhaust air flap.
• The damper blades open even at low air flow. The inner sound insulation strip prevents loud rattling when striking the damper blades.
• Backflow flaps prevent the ingress of cold air or wind through the ventilation pipe. Here, the flap is installed so that the damper blades open only in the outflowing air direction. This means that no (cold) air / wind can penetrate from outside through the ventilation duct.
• INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installation of the flap so that it can open and close optimally.

Kair

• 100mm / 4 inch plastic ducting connector with inline backdraught shutter / gravity damper flap.
• Stop smells and prevent cold air coming through your extract fan or ducting.
• Will fit inside 100mm round pipe or 102mm flexible hose and can be used to join multiple lengths of pipe together to form a long duct run.
• Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood and other ventilation applications.
• Genuine Kair product & covered by the Kair manufcturers 100% satisfaction guarantee for your peace of mind.

Awenta

• Material: PVC plastic
• Colour: white
• Diameter: 100mm

Europlast

• 100mm / 4inc - White Plastic Extractor Fan Backdraught Shutter - Male Spigot - External diameter is ~ 98mm
• Stops unpleasant odours, noises, or draughts flowing back through your duct
• Perfectly suited for ducting your Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood
• This backdraught shutter can be used as a part of a long duct run for a variety of purposes including whole house ventilation, passive stack vent, air conditioning, positive pressure, Tumble Dryer Venting, HVAC, and Heat Recovery Systems
• Made in EU