1. AC Infinity#ad
One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans, AC Infinity 4" Backdraft Damper#adAC Infinity #ad - 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.
|Brand||AC Infinity #ad|
|Manufacturer||AC Infinity #ad|
Neverest RK 4" Professional Backdraft Shutter Damper Connector Duct#adneverest #ad - The backflow flap opens and closes automatically at low air volumes. Designed for use in air conditioners AC, dryers, heating ducts, exhaust, extractor or range hoods, vents and other HVAC applications. The backflow damper prevents the ingress of cold or warm air and wind from entering through the ventilation duct.
Installation: the backflow flap is installed by inserting it into the ventilation pipe until it stops. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically.
Cannot be used with plastic ducts as the sizes are different. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The 4 inch backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel, 3.5 inches deep and can withstand temperatures from 14 to 140 °F.
Backdraft Exhaust Damper Seal 4 Inch von Calimaero One Size Fits All 4 Duct Backdraft Damper Gravity Powered Made in Germany 4 Inch HVAC Damper Dryer Vent Valve Keep Cold Air Out#adcalimaero #ad - No more having to buy multiple products, to find the one that works. 4 inline dampers duct valve gummi flaps are easy to open for almost all dryers or booster fans, the lack of moving spring will ensure a long lifespan saving you time and money. Make sure the flaps open away from the ventilator.
The outer rubber ring creates a seal around the strong plastic body giving you the perfect vent damper. The rubber seal is quieter than all metal or plastic models. You will be very pleased with the quality, and ease of installation of this product! Purchase with ease and relax into your draft free living space.
4 inch backflow preventer is easy to install, just crame these in the 4" ducts and the 100% rubber flap will seal off all drafts coming in from your dryer vent or bathroom exhaust fan. 4 inch backdraft damper vent air blocker works in any orientation even 45 degrees, or 15 for that matter. This will ensure you arent annoyed by constant annoying rattling from cheaper models. 4inch damper vent air blocker does what its designed to do, functionality, value, prevents outside air from entering back into the house via your dryer, bathroom fan and grow tent.
Backdraft Damper Shutter Inline for 4 Inch Dryer Duct for Retrofitting 4 Inch Ducting Prevents Unwanted Drafts in Metal Ducts in Line Draft Blocker#adKlimapartner #ad - Opposing blade damper 4 backdraft should be interested behind the bathroom fan or inline fan. 4 inch duct damper opens and closes automatically, preventiNG unwanted drafts and the duct valve for 4 inch ducting can be installed horizontally or vertically.
Bathroom vent draft blocker or exhaust fan shutter is INSTALLED by pushing the hvac damper into the duct, blades open away from exhaust air. Not for use in plastic ducts.
Professional long life quality is what the klimapartner brand stands for! backflow damper exhaust fan shutters are designed for use in ac units, installation in dryer ducts, bathrooms, STOPPING INFLOW OF AIR from range hoods and heating systems and prevent cold or warm air from entering back into the duct.
5. REPA MARKET#ad
Inline Fan Vent, Backdraft Damper Duct, Draft Blocker, Vent Deflector 4'' Inch, Backflow Preventer, Draft Stopper#adREPA MARKET #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. Back draught valves can be inserted into ventilation ducts which are flexible or non flexible.
Damper has 2 valves, dryers, exhaust, designed for use in air conditioners AC, heating ducts, extractor or range hoods, vents and other HVAC applications. Back draft damper is made for insertion into inch ventilation ducts.
The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. Installation: the backflow flap is installed by inserting it into the ventilation pipe until it stops. It has a strong spring and can be installed either horizontally or vertically. The backflow damper RKI opens and closes automatically. The flap is suitable for retrofitting, since it is completely inside the duct.
|Brand||REPA MARKET #ad|
|Manufacturer||REPA MARKET #ad|
6. Repa Market#ad
Backdraft Damper Dryer Vent Hose, Back Draft Blocker, Inline Extractor Fan Vent Back Draught Shutter 4'' Inch#adRepa Market #ad - This backdraught shutter can be used as a part of a long duct run for a variety of purposes including whole house ventilation, Tumble Dryer Venting, positive pressure, air conditioning, HVAC, passive stack vent, and Heat Recovery Systems.
Compatible with diameter 4 Inch. White plastic extractor fan backdraught Shutter - Male Spigot - External diameter is ~ 124mm.
|Brand||Repa Market #ad|
|Manufacturer||Repa Market #ad|
7. Ozo Brothers#ad
Backdraft Damper Duct 4" inch / 100mm#adOzo Brothers #ad - Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Excellent quality back draft dampers. Ideal for use with intake or exhaust duct systems.
|Brand||Ozo Brothers #ad|
|Manufacturer||Ozo Brothers #ad|
4 Inch Backdraft Damper Galvanized Steel Inline Fan Vent with Spring-Loaded Folding Blades and 2 Pieces Duct Clamps for Ducting in Range Hoods and Bathrooms Fans#adHonoson #ad - Special design: backdraft damper has a smooth-running spring and an internal foam strip to keep the blades from rattling; The backflow flap opens and closes automatically at low air volumes. Wide range of usages: these draft blocker set can be widely applied in ACs, range hoods, heating ducts, exhaust fans, extractors, vents and other residential and industrial applications.
Reliable materials: galvanized steel damper is made of quality galvanized steel, the flap leaves are made of aluminum, and the axis and spring are made of stainless steel, which all are strong and serve you for a long time.
46 inches long, 3. 9 inches in diameter; 2 steel duct clamps can secure the backdraft damper to your ventilation pipe or other duct openings; Please fasten the loop with screws. Easy to install: the backflow flap is installed by inserting it into the ventilation pipe until it stops; The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally; And it can be installed horizontally or vertically.
4" Duct, Fantech 9800000 RSK-4 Backdraft Damper#adFantech #ad - Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. 4" duct.