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Deflecto 4-in x 50.0-ft Aluminum Flexible Duct

Name: Deflecto 4-in x 50.0-ft Aluminum Flexible Duct
Brand: Deflecto
SKU: 5005420613
Price: 34.5 USD
Availability: InStock
Rating: 4.8 (21 reviews)

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4.8

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Say farewell to duct problems with the Deflecto Aluminum Flex Duct, 50 ft. With measurements of a 4 in. dia x 50 ft. length, the ducting includes markings at each foot for easy measurement. Installation is easy too.

Flexible aluminum duct
Markings each foot for easy measurement
For use as bath-fan exhaust duct
Fire-resistant
Easy to install
4-in dia x 50-ft length
Nonretail bulk packaging

General
Color/Finish Family	Silver	Type	Flexible
Duct Material	Aluminum	Insulation Material	N/A (not insulated)

Dimensions
Maximum Length (Feet)	50	Diameter (Inches)	4

Features
Insulated	No

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Safety Listing	Not safety listed
R Value	0

Warranty
Warranty	90-day

Miscellaneous
UNSPSC	72151200

Check out the Best Selling Flexible Duct on Lowes.com

Review

4.8 out of 5

21 Reviews

3 Star

2 Star

1 Star

90% Recommend this product

Ratings may include incentivized customer reviews.

21 Customer Reviews

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Great Flexible Duct

Would Recommend

Great duct that was easy to maneuver in the attic. It was easy to cut with a box cutter and snips.

DaveJuly 28, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/e791d1e9-7703-5bf6-b51a-c34f2bdb8dd9

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Very flexible

Would Recommend

Worked perfectly for kitchen fan

AndiApril 18, 2026
Verified Purchaser

Was this Review Helpful ?

Works well!

Would Recommend

Surprisingly durable and easy to work with - does exactly what it needs to do

NCRenovatorDecember 13, 2025
Verified Purchaser

Was this Review Helpful ?

Exactly as described

Would Recommend

This vent is very sturdy and easy to install good value.

Angry BirdDecember 26, 2023
Verified PurchaserIncentivized

Was this Review Helpful ?

Good price and 50 feet

Would Recommend

Good quality and unbelievable price. It's 50 feet! Pretty easy to use.

LG2023December 15, 2023
Verified PurchaserIncentivized

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Deflecto: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Deflecto4-in x 50.0-ft Aluminum Flexible Duct
		Ratings	21
		Diameter (Inches)	4
		Type	Flexible
		Insulated
Rubber-Cal4-in x 25.0-ft PVC Flexible Duct	IMPERIAL6.0-in x 25.0-ft Foil Flexible Duct	Deflecto4-in x 50.0-ft Aluminum Flexible Duct	IMPERIAL6.0-in x 25.0-ft Polyester Insulated Flexible Duct 6.0 - R	Rubber-Cal4-in x 25.0-ft Aluminum Insulated Flexible Duct 4 - R	Lambro6-in x 20.0-ft Foil Flexible Duct	IMPERIAL4.0-in x 25.0-ft Polyester Insulated Flexible Duct 6.0 - R	Rubber-Cal6-in x 25.0-ft Aluminum Insulated Flexible Duct 4 - R	IMPERIAL3.0-in x 20.0-ft Foil Flexible Duct
1	35	12	419	1	65	419	1	222
4	6	4	6	4	6	4	6	3
Flexible	Flexible	Flexible	Flexible	Flexible	Flexible	Flexible	Flexible	Flexible