Will this be ok for a portable a.c.?

No! You would need insulated duct. Besides that, this duct came with hundreds of small holes. They had to return my money.

Can I use this in my kitchen exhaust Hood vent?

If its 6” in diameter, or if u can fit in an adaptation connector

Can I use this on a clothes dryer

I would think so, just remember to clean it out 2x a year, it will have build-up of lint.

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4 Inch 25 Feet Non-Insulated Flex Air Aluminum Ducting for HVAC Ventilation w/Two 4 Inch Stainless Steel Clamps

Product ID: 341215543

Details

Brand
VIVOSUN
Colour
Silver
Item Length
300 Inches
Item Weight
0.86 Kilograms
Manufacturer
VIVOSUN
Material
Aluminium

📏25 ft length for versatile reach

🔧Includes 2 heavy-duty stainless steel clamps

🛡️Multi-layer fire-retardant protection

785.83 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💨 Elevate your airflow game with VIVOSUN’s ultimate flex ducting!

BUILT TO LAST - Premium aluminum resists heat and corrosion for long-term durability.
MULTI LAYER SHIELD - Fire-retardant and tear-resistant layers protect your system and home.
VERSATILE HVAC SOLUTION - Perfect for dryers, exhaust fans, grow rooms, and AV cooling setups.
SEAMLESS AIRFLOW CONNECTOR - Optimized 4-inch diameter ensures leak-proof, high-efficiency ventilation.
FLEXIBLE FIT EFFORTLESS INSTALL - Steel wire core allows easy bending and positioning in any space.

The VIVOSUN 4 Inch 25 Feet Flex Air Aluminum Ducting is a durable, multi-layer ventilation solution designed for professional-grade HVAC and air circulation projects. Featuring fire-retardant aluminum layers, corrosion-resistant stainless steel clamps, and a flexible steel wire core, it ensures leak-proof, long-lasting performance across residential and commercial applications.

Specifications

ASIN	B01EUURUVM
Best Sellers Rank	#1,580,196 in Home & Kitchen ( See Top 100 in Home & Kitchen )
Brand Name	VIVOSUN
Colour	Silver
Country of Publication	USA
Customer Reviews	4.4 4.4 out of 5 stars (5,665)
Item Dimensions L x W	7.62L x 0.1W Meters
Item Length	300 Inches
Item Weight	0.86 Kilograms
Manufacturer	VIVOSUN
Material Type	Aluminium, Stainless Steel
Nominal Wall Thickness	0.015 inches
Outside Diameter	4 Inches
UPC	714119464294
Unit Count	1.0 Count

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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