Top Backdraft Damper - BuyWiseBest.com

MYGHKO Exhaust Fan, Ultra Silent Kitchen Bathroom Exhaust Fan with Anti-backflow Check Valve, 6 inch Window Exhaust Fan Ventilation Fan Ceiling Wall Fan Extractor Blower household Ventilation Fan

6 INCH HOUSEHOLD VENTILATION FAN - You may be aware excess moisture and muddy air lead to poor air quality and life quality. It is necessary to choose a high-efficiency exhaust fan with a backdraft damper for your room. This functioning ceiling wall exhaust fan can promote air circulation, take the muddy air away and maintain proper humidity and a healthy living environment.
HIGH-EFFICIENCY PERFORMANCE - The upgraded high-efficiency motor and stable fan frame can reduce the friction coefficient and operation noise, increase the performance of kitchen bathroom fan and savings in the electrical bill effectively. Ultra silent bathroom exhaust fan provides quiet and effective exhaust ventilation at 142 CFM to eliminate humidity, tobacco smoke, and cooking odors to keep your house smelling fresh.
SPEEDY EXHAUST & BACKFLOW-PROOF SHUTTER- MYGHKO exhaust extractor fan with light and thin backdraft damper sleeve, which can expand the exhaust opening angle for speedy elimination of turbid and moist air. A spring-loaded auto-closing damper valve can prevent smoke, debris, dust, and odors of the public flue from entering rooms.

Highest Rated Premium Airflow Control Backdraft Dampers.
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures....
Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16"..
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection.

【Material】The 10 inch backdraft damper and the flap leaves is made of a Galvanized steel, the Axis are made of aluminum, while the spring are made of carbon steel..
【Installation method】The position of the spring should be horizontal for horizontal installations so that it can open and close optimally.
【Wide applications】Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications..
【Lightweight valve wings】The valve wings open under the pressure created by the airflow.
when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow..
【Backdraft Shutter】Hon&Guan Draft Blocker designed to improve ventilation by preventing air from re-circulating when the fans are not in use, rubber ring ensure 100% closure and quiet closing..

Highest Rated Premium Airflow Control Backdraft Dampers.
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures....
Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16"..
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection.

Footprint is 18-3/4" long x 14-1/4" wide for a well-balanced fit.
Designed to fit with 3-1/4" x 10" or up to 8" round duct for flexible installation.
A built-in, backdraft damper and bird screen provide a dependable roof cap you can count o.
Roof cap is made of 24 gauge CRCQ steel construction in a .025 natural Aluminum finish for durability and long life.
For use with Range Hoods, LoSone Fans and Bath Ventilation Fans.

Highest Rated Premium Airflow Control Backdraft Dampers.
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures....
Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16"..
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection.

duct and the rubber flap will seal off drafts coming in from your dryer vent or bathroom exhaust fan. 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..
FLEXIBLE This backdraft damper's main recycled plastic part is small enough to fit into almost all PVC, metal, and other ducts with 4 inch size. No need to buy multiple products to find the one that works. Purchase with ease and relax in your draft free living space..
CONVENIENT This 4 inline damper 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 that will save you time and money. As the product is made out of weather-resistant plastic, you can install the dryer damper in high-humidity environments..
WELL MADE It works in any orientation even 45 degrees or 15 for that matter. The rubber seal is quieter than all metal or plastic models. This will ensure you will not be disturbed by constant annoying rattling from cheaper models..

Highest Rated Premium Airflow Control Backdraft Dampers - Used Specifically for 5" Duct Size Applications.
Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures....
Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16"..
Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection.

Footprint is 18-3/4″ long x 14-1/4″ wide for a well-balanced fit.
A built-in, backdraft damper and bird screen provide a dependable roof cap you can count on.
Roof cap is made of 24 gauge CRCQ steel construction with a black electrically-bonded epoxy finish for durability and long life.
For use with Range Hoods, LoSone Fans and Bath Ventilation Fans.

Overall size showing on the surface is 9″ square with a 5-1/2″ hood and a 1-1/4″ long attachment collar for 6″ round ductwork (NOT for use with dryer venting).
Equipped with a spring-loaded backdraft damper and bird screen to keep nests and small animals on the outside.
Wall cap is made of 22 gauge CRCQ steel construction with a .025 natural aluminum finish for durability and long life.