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Galvanized Steel 4 Inch Duct Backdraft Damper - One-Way Airflow HVAC Damper, Dryer Vent Damper, Metal Inline Backdraft - 4 Inch Duct Damper, Dryer Duct Connector with Backdraught Flap

Product ID: 175532851

Details

Brand
Repa Market
Color
Silver
Material
Galvanized
Product Dimensions
4"L x 3.46"W x
Unit Count
1 Count

📏Fits 4-inch ducting with 3.89" neck

🌬️Dual spring-loaded one-way airflow flaps

🛠️Durable galvanized steel + aluminum blades

$48.80

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

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Description

🌪️ Stop drafts in their tracks — airflow, but only your way!

BUILT TO LAST UNDER PRESSURE - Heavy-duty galvanized steel frame with aluminum blades and noise-reducing foam seal for quiet, durable operation even in high-temp environments (-4°F to 212°F).
ULTIMATE BACKDRAFT PREVENTION - Dual spring-loaded flaps allow airflow only outward, blocking cold drafts, odors, and reverse airflow to keep your HVAC system efficient and fresh.
EFFORTLESS TOOL FREE INSTALLATION - Simply insert into ducting—compatible with flexible or rigid ducts; secure with clamps or tape for a rock-solid fit without hassle.
VERSATILE HVAC VENTILATION SOLUTION - Perfect for dryer vents, kitchen hoods, bathroom exhausts, and heating ducts—trusted by homeowners and pros alike for reliable airflow control.
PRECISION FIT FOR SEAMLESS INTEGRATION - Engineered to snugly fit 4-inch duct systems, ensuring airtight, leak-free performance that pros demand.

The Repa Market 4 Inch Galvanized Steel Backdraft Damper is a precision-engineered HVAC accessory designed to fit standard 4-inch duct systems. Constructed from heavy-duty galvanized steel with aluminum blades and a noise-reducing foam seal, it ensures durable, quiet operation across a wide temperature range. Featuring dual spring-loaded flaps, it allows one-way airflow to prevent backdrafts, cold air intrusion, and odors. Easy to install without tools, it’s ideal for dryer vents, kitchen exhausts, bathroom fans, and heating ducts, making it a versatile solution for both residential and commercial ventilation needs.

Specifications

ASIN	B0822VQMHM
Best Sellers Rank	#238,576 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #647 in HVAC Ducting
Brand Name	Repa Market
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (1,014)
Global Trade Identification Number	07427046530293
Included Components	Backdraft Damper
Item Dimensions L x W x Thickness	4"L x 3.46"W x 4"Th
Manufacturer	Repa Market
Material Type	Galvanized Steel
Number of Pieces	1
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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4 days ago

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$48.80

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

View all Trustpilot reviews