Top 9 Backdraft Damper 6 Inch – HVAC Ducting

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1. AC Infinity

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One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans, AC Infinity 6" Backdraft Damper

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AC Infinity #ad - Fit for 6 in. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Duct openings | product Length: 5. 03 inches | Finish: Powder Coat. Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow. An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
BrandAC Infinity #ad
ManufacturerAC Infinity #ad

2. neverest

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Neverest RK 6" Professional Backdraft Shutter Damper Connector Duct

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neverest #ad - It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically. The backflow flap opens and closes automatically at low air volumes. 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 installations so that it can open and close optimally. The backdraft shutter is installed so that the damper blades open only in the outflowing air direction. Cannot be used with plastic ducts as the sizes are different. Designed for use in air conditioners AC, extractor or range hoods, exhaust, dryers, heating ducts, vents and other HVAC applications.

The 8 inch backdraft damper is made out of a Galvanized steel, while the Axis and spring are made of stainless steel, the flap leaves are made of aluminum, 3.5 inches deep and can withstand temperatures from 14 to 140 °F. Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. The backflow damper prevents the ingress of cold or warm air and wind from entering through the ventilation duct.
Brandneverest #ad
Manufacturerneverest #ad
Height5.91 Inches
Length3.46 Inches
Width5.91 Inches
Part Number40545030039031

3. Ozo Brothers

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Backdraft Damper Duct 6" inch / 150mm

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Ozo Brothers #ad - Excellent quality back draft dampers. Manufactured of heavy-gauge galvanized steel with heavy duty springs // Spring loaded for positive closure. Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. They prevent back draft air when your fans are off. Ideal for use with intake or exhaust duct systems.
BrandOzo Brothers #ad
ManufacturerOzo Brothers #ad

4. Vent Systems

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Vent Systems 6'' Inch Backdraft Damper, Heavy-Duty Inline Springs Loaded, Backflow Shutter, One-Way Airflow Ducting Insert, Inline Fan Vent Deflector

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Vent Systems #ad - The rubber seal prevents loud rattling when the flap blades open and close. Back draft damper for insertion into 6 inch ventilation ducts. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally.

Designed for use in ac, exhaust, extractor or range hoods, vents and other residential, heating systems, dryer vent, fans, commercial and industrial HVAC applications. Best to use with veNT SYSTEMS hvac parts. Duct draft stopper prevent cold air or wind from entering the ventilation pipe. 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. The backflow damper opens and closes automatically. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside.

In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This also applies to the vertical installation. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The flap is suitable for retrofitting, since it is completely inside the duct. It has a strong spring and can be installed either horizontally or vertically.
BrandVent Systems #ad
ManufacturerVent Systems #ad

5. Klimapartner

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Klimapartner RKI 6" Professional Backdraft Damper Inline Spring Loaded

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Klimapartner #ad - Back draft damper for insertion into 6 inch ventilation ducts. This means that no cold air / wind can penetrate the ventilation pipe from the outside. It has a strong spring and can be installed either horizontally or vertically. Designed for use in ac, exhaust, dryers, vents and other residential, extractor or range hoods, heating systems, commercial and industrial HVAC applications.

Functionality: duct draft stopper prevent cold air or wind from entering the ventilation pipe. The backflow damper RKI opens and closes automatically. The flap is suitable for retrofitting, since it is completely inside the duct. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper.

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. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. This also applies to the vertical installation. The rubber seal prevents loud rattling when the flap blades open and close. Installation: the backflow preventer valve is installed by pushing it into the ventilation pipe as far as it will go.
BrandKlimapartner #ad
Manufacturerklimapartner #ad

6. ALDES

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Professional Grade, ALDES 6 Inch Round Spring Loaded Backdraft Damper

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ALDES #ad - Minimal pressure to open. Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing. W. G. Available in 4", 8", 7", 6", 12", 10", 5", 14" and 16". Highest rated Premium Airflow Control Backdraft Dampers. Maximum automatic back flow protection. May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures from -22 to 180 degrees F Fahrenheit. 004 to 008 in. Extremely easy and secure inline duct insertion installation.
BrandALDES #ad
ManufacturerAmerican Aldes #ad
Height5.75 Inches
Length2.5 Inches
Weight0.44 Pounds
Width5.75 Inches
Part Number99 025
ModelCECOMINOD046977

7. Vent Systems

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Vent Systems 6" Inch Backdraft Damper, Inline Fan Vent Deflector, Backflow Shutter, Heavy-Duty Inline Springs Loaded, One-Way Airflow Ducting Insert

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Vent Systems #ad - In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. The backflow damper opens and closes automatically. Best to use with veNT SYSTEMS hvac parts. The rubber seal prevents loud rattling when the flap blades open and close.

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. It has a strong spring and can be installed either horizontally or vertically. Designed for use in ac, exhaust, extractor or range hoods, dryer vent, heating systems, vents and other residential, fans, commercial and industrial HVAC applications. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally.

A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The flap is suitable for retrofitting, since it is completely inside the duct. The backflow preventer valve is installed by pushing it into the ventilation pipe as far as it will go. This also applies to the vertical installation. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside. Back draft damper for insertion into 6 inch ventilation ducts.
BrandVent Systems #ad
ManufacturerVent Systems #ad

8. Hon&Guan

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Hon&Guan 6 Inch Plastic Back Draft Damper, Draft Blocker Damper Inline for Extractor Fan Vent Back Draught Shutter 150 mm

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Hon&Guan #ad - Package include: Vent Back Draught Shutter x 1. Male backdraft shutter is lightweight & compatible with 6 inch ducting. For use in domestic ventilation applications; kitchens, toilets, bathrooms & hydroponics. Hon&guan 6 inch back draft damper is made of high quality plastic. Designed to provide anti back draught, and fit in between Solid Plastic Ducting, Flexible Ducting. Easy diy.
BrandHon&Guan #ad
ManufacturerHon&Guan #ad
Part NumberVB-ABS-6
ModelZHF100

9. Fantech

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Fantech 9800004 RSK-6 Backdraft Damper, 6" Duct

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Fantech #ad - Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. 6" duct. Spring loaded for positive closure.
BrandFantech #ad
ManufacturerFantech #ad
Height0.43 Inches
Length0.43 Inches
Weight3 Pounds
Width0.43 Inches
Part Number9800004
Model9800004