Bought 12” for 12” flange and ceiling box… it is extremely tight and doesn’t seem to want to go on the flange or box? Am I missing something?

It is a tight fit I used it on mobile home went on fairly easy they do mention in the description it is used for mobile home so I'm not sure if it works on your application or not Hope this helps

can this be made explosion proof with wire clips? planning to use as vent for paint spray booth using flammable paints

This is where you get professional advice. Also don’t “roll you own” when it comes to explosion proof stuff. There are companies out there that make explosion proof stuff as well as paint booths. Their are various UL and NFPA requirements that have to be met. Look for used equipment, with this economy it is out there. There are ways of saving money, there are parts of this you can DIY, but you need someone who understands the hazards to do this safely. Also, anyone telling you how to do this without seeing what you want to do - does not know what they are doing.

Im making my own welding extractor, do you think that is going to work?

Yes, it should work for a welding extractor. Use duct tape between the ducting and the metal clamps to protect the ducting, otherwise the clamps can rip holes in it

Can this replace hvac duct work for a house

It will but I'd advise not to. It's not insulated enough.

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AC Infinity Flexible 12-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

AC Infinity Flexible 12-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

Product ID: 257550328

Details

Brand
AC Infinity
Colour
Black
Item weight
3.9 Kilograms
Material
Aluminum
Product dimensions
7.62L x 0.31W

📏25 ft length for versatile setups

🔄Flexible steel-wire spiral for easy install

🛡️4-layer heavy-duty leak & tear resistance

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QAR 687

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Description

🌀 Elevate airflow with the ducting pros trust—flexible, fierce, and built to perform.

CUSTOM FIT LENGTH - Easily cut to size, adapting seamlessly to your unique HVAC or grow room needs.
PREMIUM MATERIALS - Constructed from fire-resistant aluminum foil and tough PVC thermoplastic for superior protection.
COMPLETE KIT READY - Includes two stainless steel 12" duct clamps for secure, hassle-free setup.
UNMATCHED DURABILITY - Four-layer design shields against leaks, tears, and cuts—built to last in any environment.
FLEXIBLE INSTALLATION - Steel-wire spiral core bends effortlessly, perfect for tight or hard-to-reach spaces.

The AC Infinity Flexible 12-Inch Aluminum Ducting offers a robust 25-foot length with a four-layer construction combining fire-resistant aluminum foil and durable PVC thermoplastic. Its steel-wire spiral core ensures exceptional flexibility for easy installation in tight spaces, while included stainless steel clamps guarantee a secure fit. Ideal for HVAC, grow rooms, and ventilation projects, this ducting delivers leak-proof, tear-resistant performance trusted by professionals.

Specifications

ASIN	B0845M9V2M
ASIN	B0845M9V2M
Best Sellers Rank	#24,043 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #32 in Heating & Cooling Ducting Products
Brand Name	AC Infinity
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (9,296)
Customer reviews	4.7 4.7 out of 5 stars (9,296)
Date First Available	4 February 2020
Is Discontinued By Manufacturer	No
Item Dimensions L x W	7.62L x 0.31W Meters
Item Length	25 Feet
Item Weight	3.9 Kilograms
Item model number	AI-DTA12
Manufacturer	AC Infinity
Manufacturer	AC Infinity
Material Type	Aluminum
Maximum Pressure	4 Bars
Nominal Wall Thickness	0.0625 inches
Outside Diameter	12 Inches
Product Dimensions	762 x 30.48 x 0.1 cm; 3.9 kg
UPC	819137021273
Unit Count	1.0 Count

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