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ALDES #ad - Highest rated premium airflow Control Backdraft Dampers - Used Specifically for 5" Duct Size Applications. 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.
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
Vent Systems #ad - The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. Duct draft stopper prevent cold air or wind from entering the ventilation pipe. Designed for use in ac, fans, heating systems, extractor or range hoods, dryer vent, exhaust, vents and other residential, commercial and industrial HVAC applications.
The backflow damper opens and closes automatically. This also applies to the vertical installation. The backflow preventer valve is installed by pushing it into the ventilation pipe as far as it will go.
This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside. The flap is suitable for retrofitting, since it is completely inside the duct. The rubber seal prevents loud rattling when the flap blades open and close. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. Back draft damper for insertion into 10 inch ventilation ducts.
ALDES #ad - Tight fit spring closure. Inserts into pipe to create a tight seal. Back draft damper measures 4 inches.
Vent Systems #ad - This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside. Duct draft stopper prevent cold air or wind from entering the ventilation pipe. The backflow preventer 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. 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. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The backflow damper opens and closes automatically. The rubber seal prevents loud rattling when the flap blades open and close. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction.
Klimapartner #ad - This means that no cold air / wind can penetrate the ventilation pipe from the outside. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the outside of the draft blocker damper. Functionality: duct draft stopper prevent cold air or wind from entering the ventilation pipe.
The backflow damper RKI opens and closes automatically. Designed for use in ac, dryers, vents and other residential, heating systems, extractor or range hoods, exhaust, commercial and industrial HVAC applications. Back draft damper for insertion into 4 inch ventilation ducts.
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 rubber seal prevents loud rattling when the flap blades open and close. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. It has a strong spring and can be installed either horizontally or vertically. This also applies to the vertical installation.
AC Infinity #ad - Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Fit for 8 in. Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
Generic #ad - Quality: this item is built in the USA. Performance: this high quality exhaust vent-cap is designed to be used with bathroom and kitchen exhaust venting systems. Specifications: this vent-cap is available in four sizes and two color options.
1. ALDES
#adProfessional Grade, ALDES 5 Inch 5" Round Spring Loaded Backdraft Damper
#adSpring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
More information #ad
004 to 008 in. W. G. Minimal pressure to open. Available in 4", 8", 7", 6", 12", 5", 10", 14" and 16". Maximum automatic back flow protection. Extremely easy and secure inline duct insertion installation.| Brand | ALDES #ad |
| Manufacturer | American Aldes #ad |
| Height | 4.75 Inches |
| Length | 2 Inches |
| Weight | 0.31 Pounds |
| Width | 4.75 Inches |
| Part Number | 99 024 |
More information #ad
2. Vent Systems
#adVent Systems, One-Way Airflow, 10 Inch Backdraft Damper, Inline Fan Vent Deflector
#adThe backflow damper opens and closes automatically. This also applies to the vertical installation. The backflow preventer valve is installed by pushing it into the ventilation pipe as far as it will go.
More information #ad
It has a strong spring and can be installed either horizontally or vertically. 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. This means that no cold air / wind or smell can penetrate the ventilation pipe from the outside. The flap is suitable for retrofitting, since it is completely inside the duct. The rubber seal prevents loud rattling when the flap blades open and close. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. Back draft damper for insertion into 10 inch ventilation ducts.
| Brand | Vent Systems #ad |
| Manufacturer | Vent Systems #ad |
More information #ad
3. ALDES
#adBDD4, Aldes 4" Backdraft Damper
#adMore information #ad
| Brand | ALDES #ad |
| Manufacturer | American Aldes Ventilation Corporation #ad |
| Height | 3.75 Inches |
| Length | 1.75 Inches |
| Weight | 0.19 Pounds |
| Width | 3.75 Inches |
| Part Number | 99 023 |
More information #ad
4. Vent Systems
#adOne-Way Airflow Ducting Insert, Inline Fan Vent Deflector, Vent Systems 10'' Inch Backdraft Damper, Backflow Shutter, Heavy-Duty Inline Springs
#adThe 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. 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.
More information #ad
The flap is suitable for retrofitting, since it is completely inside the duct. Best to use with vent sYSTEMS HVAC parts. Back draft damper for insertion into 10 inch ventilation ducts. It has a strong spring and can be installed either horizontally or vertically. A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The backflow damper opens and closes automatically. The rubber seal prevents loud rattling when the flap blades open and close. In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction.
| Brand | Vent Systems #ad |
| Manufacturer | Vent Systems #ad |
| Height | 5.04 Inches |
| Length | 9.8 Inches |
| Weight | 18.7 ounces |
| Width | 9.8 Inches |
More information #ad
5. Klimapartner
#adRKI 4", Professional Backdraft Damper Inline Spring Loaded for Dryer Duct
#adThe backflow damper RKI opens and closes automatically. Designed for use in ac, dryers, vents and other residential, heating systems, extractor or range hoods, exhaust, commercial and industrial HVAC applications. Back draft damper for insertion into 4 inch ventilation ducts.
More information #ad
In this case, the flap is installed in such a way that the flap leaves only open into the outgoing air direction. The flap is suitable for retrofitting, since it is completely inside the duct. Installation: the backflow preventer valve is installed by pushing it into the ventilation pipe as far as it will go. 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 rubber seal prevents loud rattling when the flap blades open and close. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. It has a strong spring and can be installed either horizontally or vertically. This also applies to the vertical installation.
| Brand | Klimapartner #ad |
| Manufacturer | klimapartner #ad |
| Height | 3.94 Inches |
| Length | 2.05 Inches |
| Weight | 0.22 Pounds |
| Width | 3.94 Inches |
| Part Number | 4054503017276 |
More information #ad
6. AC Infinity
#adAC Infinity 8” Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 8” Ducting in Range Hoods and Bathrooms Fans
#adMore information #ad
An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications. Mounts horizontally or vertically to prevent backflow and debris from entering ducting. Duct openings | product Length: 5. 03 inches | Finish: Powder Coat.| Brand | AC Infinity #ad |
| Manufacturer | AC Infinity #ad |
| Part Number | AC-BDD8-B |
| Model | AC-BDD8-B |
More information #ad
7. Generic
#adRooftop Exhaust Vent Cap with Damper and Bottom Extension 10 Inch, Black
#adMore information #ad
This model includes a 3” long pipe extension located underneath the flange for connecting to flex tubing. Durable: this vent-cap is constructed with heavy gauge steel and includes a damper to prevent back draft, and a screen to help keep out insects and birds.| Brand | Generic #ad |
| Manufacturer | Roofing Direct #ad |
More information #ad
8. Fantech
#adFantech 9800012 RSK-10 Backdraft Damper, 10" Duct
#adFantech #ad - 10" duct. Spring loaded for positive closure. Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Country of origin: United States.More information #ad
| Brand | Fantech #ad |
| Manufacturer | Fantech #ad |
| Weight | 1.3 Pounds |
| Part Number | 9800012 |
| Model | 9800012 |
More information #ad
