neverestRK 4 inch Backdraft Shutter 100mm Ducting Connector Galvanized Steel with Rubber Sealing Fits Only with Metal Ducts

neverestRK 4 inch Backdraft Shutter 100mm Ducting Connector Galvanized Steel with Rubber Sealing Fits Only with Metal Ducts

Q: Hi, is the 5" made to go on to 5" duct

I purchsaed the 4 inch for my clothes dryer exhaust vent to the outside of my house. They are true to size and a 5 inch should fit a 5 inch duct perfectly. This is an excellent addition to either a stove vent or clothes dryer vent. It prevents back draft air from entering the duct and also prevents conditioned air from escaping my house.

Q: Hi - would it be best to put this at the end of the vent (near the outside) or on the house closest to the dryer? My vent is installed in the soffit.

Always at the end of the vent where the air exhaust to the outside of your house. You want to keep cold and hot air from being forced into your house on windy days as well as insect and birds from nesting. I have one on my kitchen stove vent on the outside brick wall and on my dryer vent on the side of my house. Before i installed it my laundry room was cold all winter from wibd being forced in.

Q: For my cooktop vent, i have a broken plastic damper i need to replace. this one is 5.5in od, what product would work for this?

I,m using a reducer on the top of the vent hood over the cook top from 5 inch vent to 4 inch duct and then i am using the 4 inch pressure activated back draft your referring to on the outside wall with an ordinary clothes dryer rain shield over the opening. The dryer vent pipe cover should have a wind / rain shield incorporated in it. Most dryer vent covers have a plastic door which does not permit a positive closer in windy conditions. I also have the spring loaded damper door on my clothes dryer. These doors are great for preventing blow back into your house when either the cooktop vent or dryer are not in use.

Q: Do u make a 7 inch inline damper?

Good Morning, the RK is available in 160mm or 200mm

4.4/5

产品编号: 409695865

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细节

Size
100mm
Material
Steel
Brand
neverest
Colour
Silver
Item dimensions L x W x H
57 x 52 x 40

🔄Automatic backdraft shutter with stainless steel springs

🔇Rubber sealing ensures 100% quiet, airtight closure

🛠️Galvanized steel housing for ultimate durability

经常一起购买

neverest® RK 4" Professional Backdraft Shutter Damper Connector Duct Fits Only with Metal Ducts

EesTeck 4" (Diameter) Adjustable 304 Stainless Steel Duct Clamps Hose Clamp Pipe Clamp Air Ducting Clamp worm drive hose clamps (4Pcs, 91mm-114mm)

QWORK 4" Duct Splitter, 45° Degree 4 Inch Branch Metal Duct Connector 3 Way Hose Adapter/Splitter

描述

🚀 Elevate your airflow game with neverest® – where durability meets silent precision!

BUILT TO LAST - Galvanized steel and aluminum blades deliver unmatched robustness for your ventilation system.
VERSATILE FIT - Designed exclusively for metal ducts, compatible with all common 100mm round ventilation pipes.
TRUSTED EXPERTISE - Backed by 40+ years of ventilation mastery, ensuring reliable performance and easy installation.
WHISPER QUIET SEAL - Rubber ring guarantees silent operation and perfect airtightness—no more noisy ducts.
SMART AIRFLOW CONTROL - Automatic shutter opens with exhaust airflow and closes instantly to block unwanted drafts.

The neverest® RK 4 inch Backdraft Shutter is a premium galvanized steel ducting connector featuring aluminum damper blades and stainless steel springs for automatic, silent closure. Designed exclusively for metal ducts with 100mm diameter, it prevents unwanted air backflow while ensuring quiet, airtight sealing. Ideal for HVAC, ventilation, and heat recovery systems, this robust component is backed by over 40 years of industry expertise.

规格

Product Dimensions	57 x 52 x 40 cm; 140 g
Item Weight	140 Grams
Number of pieces	1
Batteries required	No

有问题吗？看看别人问了什么

Hi, is the 5" made to go on to 5" duct

Hi - would it be best to put this at the end of the vent (near the outside) or on the house closest to the dryer? My vent is installed in the soffit.

For my cooktop vent, i have a broken plastic damper i need to replace. this one is 5.5in od, what product would work for this?

Do u make a 7 inch inline damper?

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