It seems like the bad reviews are about size and come from march of 2020. Did you switch manufacturing or something? If so had it been resolved yet?

The problem was, it just said it was 4" in diameter, but did not point out that the 4" were outside diameter. The product itself is probably good. I needed an air vent hose with 4" inside diameter, so it can go over a pipe with 4". I wonder why somebody would be interested in the outside diameter for these hoses anyway. I ended up buying a non insulated hose at Home Depot, where I could take my own tape measure to see with my own eyes what I am buying.

Has anyone else noticed that none of these are actually 25ft in length?

I had to send mine back, because of the diameter was not what I needed. There was some confusion, I had thought it would fit on a 4" connection, but it did not. So, I bought something else at a local store, where I could physically measure the ID.

Can this be used as an hvac supply duct? (heating and ac)

If it can be used for a dryer vent, it CAN be used for HVAC , the dryer produces more heat that a home furnace.

Hi there, Thank you for reaching out to us! I'm sorry but we do not have these available in a white option. Kind regards, Kenny Ngo AC Infinity

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AC Infinity Flexible 4-Inch Aluminum Ducting, 25-Feet Long

AC Infinity Flexible 4-Inch Aluminum Ducting, 25-Feet Long

Product ID: 57113912

Details

Brand
AC Infinity
Color
Black Silver
Item Length
300 inches
Item Weight
0.27 g
Manufacturer
AC Infinity
Material
Aluminum Steel

📏25 feet length for versatile reach

🔄Flexible steel-wire spiral design

🛡️4-layer heavy-duty protection

¥18499

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Description

🌀 Elevate your airflow game with AC Infinity’s flexible ducting—where durability meets seamless installation!

COMPLETE KIT - Includes two stainless steel clamps for secure, worry-free connections.
PRECISION FIT - 4-inch diameter perfectly suits HVAC, grow rooms, and dryer venting needs.
CUSTOMIZABLE LENGTH - Easily shorten the aluminum tube to fit any project requirement.
UNMATCHED DURABILITY - Four-layer construction resists leaks, tears, and cuts for long-lasting performance.
EFFORTLESS FLEXIBILITY - Steel-wire spiral allows easy installation in tight or hard-to-reach spaces.

The AC Infinity Flexible 4-Inch Aluminum Ducting offers a robust 25-foot length with a heavy-duty four-layer design that ensures superior resistance to leaks, tears, and cuts. Its steel-wire spiral structure provides exceptional flexibility for installation in challenging spaces, while the aluminum and thermoplastic materials allow easy customization. Ideal for HVAC, ventilation, and exhaust applications, it comes complete with stainless steel clamps for secure fitting, making it a top choice for professionals seeking reliable and adaptable ducting solutions.

Specifications

ASIN	B071LHCFZ8
Best Sellers Rank	#7,232 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in HVAC Ducting
Brand Name	AC Infinity
Color	Black, Silver
Customer Reviews	4.7 4.7 out of 5 stars (8,291)
Item Dimensions L x W	300"L x 4"W
Item Length	300 inches
Item Weight	0.27 g
Manufacturer	AC Infinity
Material Type	Aluminum, Stainless Steel
Nominal Wall Thickness	Greater than single-layer thickness inches
Number of Flutes	1
Outside Diameter	4 inches
UPC	854759004952
Unit Count	25 Feet

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¥18499

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

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