As an Amazon Associate I earn from qualifying purchases.1. Kair
4 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose, Kair Connector with Backdraught Shutter 100mm
Kair - 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. Stop smells and prevent cold air coming through your extract fan or ducting. Perfectly suited for ducting your tumble Dryer, Hydroponics, Bathroom or Kitchen extractor fan, In-Line Extract Fans, or Cooker Hood and other ventilation applications.
100mm / 4 inch plastic ducting connector with inline backdraught shutter / gravity damper flap. Genuine kair product & covered by the Kair manufcturers 100% satisfaction guarantee for your peace of mind.
| Brand | Kair |
| Manufacturer | Kair |
| Height | 5.79 cm (2.28 Inches) |
| Length | 10.31 cm (4.06 Inches) |
| Weight | 0.04 kg (0.09 Pounds) |
| Width | 10.31 cm (4.06 Inches) |
| Part Number | DUCVKC303 |
| Model | DUCVKC303 |
2. WeCooper
WeCooper 100mm, 4 inch Connector with Backdraught Shutter, Non-Return Damper Flap to Connect Duct Pipe or Flexible Hose Pipe
WeCooper - The damper blades open only in the outflowing air direction when the shutter is installed. High-quality materials the casing of the shutter is made of galvanized steel sheet. This also applies to vertical installation. ". The shaft and spring are made of stainless steel.
Support guaranteewe have a 24-month warranty. Great for home use the foam rubber sealing on the damper reduces operation noise and provides extra air tightness. Easy installationthe duct damper opens and closes automatically, allowing only one-directional airflow.
The dryer vent valve blades are made of aluminium. Home improvementpipe cover flap, butterfly valve. Perfect for use in tumble dryer, in-line Extract Fans, bathrooms, Hydroponics, garages, extractor hoods, extractor fan, air conditioners, and ventilation systems.
Especially suitable for inserting into 100mm round pipe or 102mm flexible hose. The back draught valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you need to use steel duct clamps to secure the backdraft damper. Feel free to contact us with any questions. The shutter is able to withstand temperatures up to 140°F. We will reply within 24 hours.
3. EUROPLAST
100mm / 4 inch Backdraught Shutter/Ducting Connector with Non-Return Damper Flap av100
EUROPLAST - Outer diameter of approximately 99 mm in inner diameter ca. Plastic in white. 97 mm. Easy construction". Connector suitable for 100mm ventilation pipes. This connector / connector includes a return flap.
4. ARIATI
Ariati UK 2 x Pack Connector with Backdraught Shutter 100mm, 4-inch Non-Return Valve Damper Flap to Connect Duct Pipe or Flexible Ducting Hose Backdraft Stopper
ARIATI - 100mm / 4-inch plastic ducting connector with inline backdraught shutter / gravity damper flap. Stop smells and prevent cold air & insects coming through your extract fan or ducting.
Colour: white. 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. 100mm / 4-inch plastic ducting connector with inline backdraught shutter / gravity damper flap.
100mm / 4-inch plastic ducting connector with inline backdraught shutter / gravity damper flap. Material: pvc plastic. Diameter: 100mm. Perfectly suited for ducting your tumble Dryer, In-Line Extract Fans, Bathroom or Kitchen extractor fan, Hydroponics, or Cooker Hood and other ventilation applications.
5. Manrose
1230 Backdraught Shutter 4" 100mm With One Spring And Two Shutters
Manrose - Designed to be fitted to Manrose in-line fans. See video bellow the image for more info. For inline ducting use manrose 414CD or DUCVKC303 instead.
| Brand | Manrose |
| Manufacturer | Manrose |
| Height | 9.8 cm (3.86 Inches) |
| Length | 9.8 cm (3.86 Inches) |
| Weight | 0.05 kg (0.11 Pounds) |
| Width | 5.5 cm (2.17 Inches) |
| Part Number | ASINPPOVIULAK7685 |
| Model | 1230 |
6. Boomerangg
Boomerangg Connector with Backdraught Shutter 100mm 4 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose
Boomerangg - Stop smells and prevent cold air coming through your extract fan or ducting. Plastic ducting connector with inline backdraught shutter / gravity damper flap 100mm - 4". 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.
Equipped with a back draft damper for back flow prevention, Easy to Fit. Perfectly suited for ducting your tumble Dryer, In-Line Extract Fans, Bathroom or Kitchen extractor fan, Hydroponics, or Cooker Hood and other ventilation applications.
7. FANTRONIX
FANTRONIX Circular Connector with Backdraught Shutter 100mm, 4 inch Dia. Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose
FANTRONIX - 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.
Prevents outside air and debree from coming through your duct system. Perfect for your bathroom & kitchen extractor fan, Hydroponics, In-Line Extract Fans, Tumble Dryer, or Cooker Hood or any other ventilation application.1
100mm / 4 inch plastic ducting connector with inline gravity flap damper / backdraught shutter. Stop smells and prevent cold air coming through your extract fan or ducting. Produced and manufactured in Ukraine. 100% customer satisfaction guarantee.
8. WeCooper
4 inch Connector with Backdraught Shutter, Non-Return Damper Flap to Connect Duct Pipe or Flexible Hose Pipe, WeCooper 100mm
WeCooper - The casing of the flap is made of galvanized steel sheet. Perfect for use in tumble Dryer, bathrooms, garages, extractor hoods, and ventilation systems. The damper blades open only in the outflowing air direction when the shutter is installed. The shaft and spring are made of stainless steel.
Pipe cover flap, air conditioners, extractor fan, hydroponics, in-line extract fans, butterfly valve. The shaft axis need be positioned vertically when the backflow flap best installed in a horizontal position and inserted fully into the pipe.
This also applies to vertical installation. ". The flap valve opens and closes automatically, allowing only one-directional airflow, preventing cold air from entering your extract fan or ducting. The valve blades are made of aluminium.
We will reply within 2 hours. The flap valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you must use steel duct clamps to secure the backdraft damper. You can't go wrong in purchasing this ducting connector with inline backdraught shutter / gravity damper flap. Please contact us directly with any questions. The outer foam sealing strip provides good tightening and fixing of the backflow flap inside the duct.
9. calimaero
Fits All DN 100mm Ducting/Made from Recycled Plastic in DE, calimaero Seal Backdraft Shutter 100mm Inline Extractor Fan Backdraft Shutter Noiseless Rubber Flaps
calimaero - The rubber flaps must be aligned so that they open with the exhaust air flow. It prevents the exhaust air from flowing back or the inflow of cold outside air. Function the 100mm backdraught shutter is pushed completely into the ducting pipe. No disturbance of the peace caused by annoying rattling when opening and closing.
Perfect for retrofitting bathroom fans and ventilation systems without a built-in backdraft shutter. Your request will be processed immediately. Versatile applicable in all supply and exhaust air systems, extractor fan, cooker hood and other ventilation applications.
Ust air systems, such as air conditioning systems, dryers, tumble dryers, such as air conditioning systems, extractor hoods and ventilation systems. The outer rubber ring ensures a perfect seal and a secure hold.
We are experts in ventilation for more than 40 years. Calimaero seal the backdraft shutter is made of recycled plastic in germany. The plastic and rubber flaps are robust and weather resistant. Perfect choice for improving any ducting system without backdraft shutter. The smooth-running flaps can also be opened by small fans. It can be inserted into all exhaust air pipes thanks to an outer rubber ring, regardless of the ducting material.
10. Klimapartner
Neverest RK Backdraft Shutter 100mm Ducting Round Connector Galvanized Steel with Rubber Sealing Robust Durable Silent 4 Inch Metal Hose Connector
Klimapartner - Multiple use this backdraft damper can also be used in whole-house ventilation, vent connector, passive ventilation, air conditioning hose connector, HVAC and Heat Recovery Systems. Your request will be processed immediately. Two stainless steel springs are for automatic closing while the rubber ring ensures 100% closure and quiet closing.
Perfect choice designed for long-lasting ventilation systems perfect for home improvement. Product function the backflow damper blocks the cold and warm air from entering through the ventilation duct.
Excellent quality the neverest rk 4" ducting with backdraft shutter is very robust and durable. Fits all common round ventilation pipes and 100mm flexible ducting according to DIN EN 1506. The flaps open when the extractor fan blows out the exhaust air and automatically close as soon as the airflow stops.
Note we are experts in ventilation for more than 40 years. Can be used to join multiple lengths of pipe together to form a long duct run or connect directly to a ventilator. The housing is made of galvanized steel and the damper blades are made of aluminum. If you have any questions or complaints, please contact our customer service directly. The flaps must be aligned horizontally in order to close optimally.
| Brand | Klimapartner |
| Manufacturer | Klimapartner |
| Height | 10.01 cm (3.94 Inches) |
| Length | 8.79 cm (3.46 Inches) |
| Weight | 0.14 kg (0.31 Pounds) |
| Width | 10.01 cm (3.94 Inches) |
| Part Number | 40545030039031 |
Kair - 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. Stop smells and prevent cold air coming through your extract fan or ducting. Perfectly suited for ducting your tumble Dryer, Hydroponics, Bathroom or Kitchen extractor fan, In-Line Extract Fans, or Cooker Hood and other ventilation applications.100mm / 4 inch plastic ducting connector with inline backdraught shutter / gravity damper flap. Genuine kair product & covered by the Kair manufcturers 100% satisfaction guarantee for your peace of mind.
WeCooper - The damper blades open only in the outflowing air direction when the shutter is installed. High-quality materials the casing of the shutter is made of galvanized steel sheet. This also applies to vertical installation. ". The shaft and spring are made of stainless steel.
EUROPLAST - Outer diameter of approximately 99 mm in inner diameter ca. Plastic in white. 97 mm. Easy construction". Connector suitable for 100mm ventilation pipes. This connector / connector includes a return flap.
FANTRONIX - 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.
WeCooper - The casing of the flap is made of galvanized steel sheet. Perfect for use in tumble Dryer, bathrooms, garages, extractor hoods, and ventilation systems. The damper blades open only in the outflowing air direction when the shutter is installed. The shaft and spring are made of stainless steel.
calimaero - The rubber flaps must be aligned so that they open with the exhaust air flow. It prevents the exhaust air from flowing back or the inflow of cold outside air. Function the 100mm backdraught shutter is pushed completely into the ducting pipe. No disturbance of the peace caused by annoying rattling when opening and closing.
Klimapartner - Multiple use this backdraft damper can also be used in whole-house ventilation, vent connector, passive ventilation, air conditioning hose connector, HVAC and Heat Recovery Systems. Your request will be processed immediately. Two stainless steel springs are for automatic closing while the rubber ring ensures 100% closure and quiet closing.