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, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Product ID: 277368781

Details

Brand
AC Infinity
Colour
Black
Item Length
300 Inches
Item Weight
0.01 Ounces
Manufacturer
AC Infinity
Material
Stainless

📏25 ft length for versatile setups

🔄Flexible steel-wire spiral for tight spaces

🛡️4-layer heavy-duty leak & tear resistance

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€ 169.77

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌀 Elevate your airflow game with ducting that bends, lasts, and performs like a pro.

CUSTOM FIT LENGTH - Easily cut to size for any project, ensuring a perfect fit without compromise.
PREMIUM MATERIALS - Crafted from fire-resistant dual aluminum foil and tough PVC thermoplastic for superior protection and longevity.
COMPLETE KIT READY - Includes two stainless steel 4" duct clamps for secure, hassle-free installation right out of the box.
UNMATCHED DURABILITY - Four-layer construction shields against leaks, tears, and cuts—built to last where others fail.
FLEXIBLE INSTALLATION - Steel-wire spiral design bends effortlessly, perfect for complex HVAC, grow rooms, or tight ventilation spots.

The AC Infinity Flexible 4-Inch Aluminum Ducting offers a robust 25-foot length with a four-layer design combining fire-resistant aluminum foil and durable PVC thermoplastic. Its internal steel-wire spiral ensures exceptional flexibility for installation in hard-to-reach areas, while included stainless steel clamps guarantee a secure fit. Ideal for HVAC, grow rooms, dryers, and ventilation projects, this ducting delivers professional-grade durability and adaptability.

Specifications

ASIN	B071LHCFZ8
Best Sellers Rank	#968,941 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,313 in Exhaust Fans
Brand	AC Infinity
Brand Name	AC Infinity
Colour	Black
Country of Publication	USA
Customer Reviews	4.6 out of 5 stars 5,993 Reviews
Item Dimensions L x W	7.62L x 0.1W Meters
Item Length	300 Inches
Item Type Name	tube
Item Weight	0.01 Ounces
Manufacturer	AC Infinity
Material	Stainless Steel Aluminum
Material Type	Stainless Steel Aluminum
Nominal Wall Thickness	Greater than single-layer thickness inches
Number of Flutes	1
Outside Diameter	4 Inches
Product Dimensions	7.62L x 0.1W Meters
UPC	854759004952
Unit Count	1.0 Count

Reviews

ぼ**う

100Φ 6m越えでコスパ良し

除湿機ほ排熱用ホースの為購入。 size 100Φ 、ちょっと大きめでも接続できた。中々 100Φで長さ6mを越えるものがなく、良い商品に巡り逢いました。ホースの構造もしっかりしていて、かなり伸ばせて使用できるため重宝しています。

21.08.2020

L**S

Excelente

Todo bien, gracias

26.12.2024

C**S

Excelente longitud y precio

Lo utilizo para sacar aire por medio de un extractor, me parece que tiene una excelente longitud para su precio, excelente!

14.06.2022

D**K

Easy to work with. Great product

6.02.2026

W**U

Good

31.12.2025

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