This is ducting, not for anything hotter than your dryer vent. Will work well for residential ducting.

What is the highest temperature that this can withstand? I am looking at hooking it to an industrial ink dryer where the temp can be continuous 550+

For that application, I wouldn't even advise Type B double-wall gas vent pipe. Contact Selkirk (by Duravent) or do a web search for the website, and take a look at their all stainless steel wood stove (et cetera) chimney/exhaust pipe. It's multiple-walled, HEAVY duty pipe that is rated for continuous high temperature applications, and might just outlive you. Another brand is Metal-Fab Type L Vent Pipe for Oil Burning Appliances. Unlike the Selkirk stuff, I do not have any personal experience with this brand, but it's also rated for the temperatures you're working with (570F constant, with a 10-minute 1,700F safety "over-fire"). These types/brands of products not only hold up well to continuous high-temperature flow, they also (when installed/used properly) help protect the surrounding materials from the heat.

Can the hose withstand negative 30 degree temperatures? I would like to have this go out the window.

I don't see it being a problem at all. It should be able to be pretty much water resistant to a point. Just remember if you start moving it back and forth and water is allowed to freeze you can rip it apart.

Can you connect this to another length of ducting if you need to extend it?

Yes it’s just like any other duct should work great 😊

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AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust

Product ID: 153233214

Details

Brand
AC Infinity
Color
Black
Item Length
96 Inches
Manufacturer
AC Infinity
Material
Aluminum
Number of Packs
1

🌀6-inch flexible steel-wire spiral

📏8 feet length with customizable cuts

🛡️4-layer heavy-duty protection

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VT21902

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Description

🌀 Flex your airflow game with AC Infinity’s heavy-duty ducting—because your space deserves the best!

TAILORED FIT - 8-foot length can be shortened to fit any ventilation setup, ensuring a seamless installation.
BUILT TO ENDURE - Four-layer aluminum and PET design resists leaks, tears, and cuts for unmatched durability.
SECURE LEAK FREE - Includes two stainless steel clamps for airtight, reliable connections every time.
VERSATILE VENTILATION - Ideal for HVAC, grow rooms, dryers, and exhaust systems—engineered for professional-grade airflow.
EFFORTLESS FLEXIBILITY - Steel-wire spiral structure bends easily, perfect for tight spaces and complex HVAC layouts.

The AC Infinity Flexible 6-Inch Aluminum Ducting offers an 8-foot long, four-layer heavy-duty construction combining aluminum, PET, and a steel-wire spiral for superior durability and flexibility. Designed for HVAC, grow rooms, and exhaust applications, it resists tears and leaks while providing easy installation in tight spaces. Included stainless steel clamps ensure secure, airtight connections, making it a top choice for professionals seeking reliable, long-lasting ventilation solutions.

Specifications

ASIN	B07WNK7N7F
Best Sellers Rank	#1,994 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in HVAC Ducting
Brand Name	AC Infinity
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (19,393)
Global Trade Identification Number	00819137021037
Item Dimensions L x W	96"L x 6"W
Item Length	96 Inches
Manufacturer	AC Infinity
Material Type	Aluminum
Outside Diameter	6 Inches
UPC	819137021037
Unit Count	1.0 Count

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