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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Heat Resistant Portable Air Duct – Flexible Vent Hose for HVAC & Industrial ApplicationsHeavy Duty Flexible Ventilation Ducting (Industrial Grade) Ditch the flimsy, collapsing vent hoses that tear under the slightest pressure. These heavy duty industrial air ducts are engineered with a reinforced flame retardant PVC skin and a rigid internal wire frame to handle the punishing airflow requirements of welding fume extraction, job site blowers, and confined space ventilation. The flexible, accordion style design allows you to snake the duct
Heavy-Duty Flexible Ventilation Ducting (Industrial Grade)
Ditch the flimsy, collapsing vent hoses that tear under the slightest pressure. These heavy-duty industrial air ducts are engineered with a reinforced flame-retardant PVC skin and a rigid internal wire frame to handle the punishing airflow requirements of welding fume extraction, job site blowers, and confined space ventilation. The flexible, accordion-style design allows you to snake the duct around tight corners in shop environments without pinching or cutting off critical airflow. We stock these commercial-grade ventilation ducts at wholesale prices to ensure you get real value for the dollar on your shop and site-safety equipment.
Key Features:
- Flame-Retardant PVC: Constructed from thick, high-heat resistant PVC that prevents melting or structural failure when venting hot welding fumes or heavy exhaust.
- Reinforced Wire Core: Features a heavy-gauge internal wire helix that keeps the duct fully expanded even under high-pressure suction, preventing accidental collapse.
- Industrial Connectivity: Equipped with integrated drawstring cuffs, allowing you to create an airtight seal on standard industrial blowers, fans, and wall vents in seconds.
- Collapsible Portability: Fully folds down into a fraction of its length, making it easy to throw in the back of a service truck or store in a tight warehouse corner between jobs.
- Multiple Lengths & Diameters: Available in high-volume 30.5 cm (12") and 50.8 cm (20") diameters to match the output capacity of your heavy-duty shop exhaust fans.
Specifications:
- Material: Flame-retardant PVC with wire helix
- Connection: Integrated drawstring cuffs
- Construction: Heavy-duty flexible accordion style
Available Models & SKUs:
| SKU | Dimensions (Diameter x Length) | Configuration |
| 41220FT | 30.5 cm x 6.1 m (12" x 20 FT) | Flexible Air Duct |
| 2025FT | 50.8 cm x 7.6 m (20" x 25 FT) | Flexible Air Duct |
Perfect For:
- Extracting toxic welding fumes and heavy machinery exhaust
- Providing fresh air to basement work zones or confined crawl spaces
- Connecting to high-CFM industrial blowers and shop ventilators
- Anyone needing rugged, puncture-resistant ducting at budget-friendly prices
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 2143 reviews
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Product Reviews
★★★★★ 5
Upgrade from our last one, nice box, easy to read and adjust. Standard plug
Color: 301 Black, Color: 301 Black
One of our old coffee mug warmers finally died and we were looking for a replacement - this is way better than the old one. It comes in a nice printed box - so great for a gift. Standard AC plug and really easy to see button on front. This one shows the temperature and that's handy. It's just the right size for a good sized coffee mug and keeps it warm for hours - if the coffee lasts that long. It's easy to see that it's on so I can turn it off, but it also has auto off if you forget. I'm not really sure what the silicon topper is for, but it sure does look nice. Easy to clean when turned off and I have to say it's pretty professional looking.
It's a 30 watt model so it draws enough energy to keep that coffee warm and can heat up to 180 - that's too hot for my use but I'm sure you can warm something else with it.
Overall: A huge upgrade from our last one. Easier to read, use and clean.
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Reviewed in the United States on November 27, 2025
★★★★★ 4
Good mug warmer
Color: 301 Black
I like this mug warmer a lot. You can choose your temp and it keeps my tea very hot. I also like the auto shut off so I don't have the panic of "did I turn it off? My two minor complaints: 1. The rubber pad that comes with it doesn't stay in place and gets very hot. I just don't use it. 2. The controls are very sensitive. There are so many times that I pick up my mug and I change the temp or I change the timer because my finger brushed up against it. But, otherwise, it's a good value for the money.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Excellent!
Color: 301 Black, Color: 301 Black
I love the square base, it means both large or small mugs fit with ease. And the build quality is good. It doesnt feel flimsy or lightweight.
The touch buttons are easy and reactive, and the little screen is bright and easy to read.
There are 6 heat settings ranging from 130-180°f, and twelve auto shut-off options, from 1 hour up to 12 hours!
I picked this one both for the square, spacious base, and the fact that it goes up to 180°f. So many of the other options stuck to the 130-150 range, which I find just doesn't keep liquids warm at all. This one keeps them pretty warm - or warm enough.
The cord is also longer than others I've had, I don't know the exact length (it's out of emeeach down the side of my desk at the moment lol) but I like that it's longer if I need to be in the future.
It's not as cheap as some others ($19.99) but well worth the price!
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Better than every other product I’ve used.
Color: 301 Black
I love this product - adjustable temperature control. Keeps my coffee or tea at the right temperatures.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
I'll probably be buying another one for my husband.
Color: 301 Yellow
This warmer works very well. You can remove the silicone mat to accommodate larger cups if, like me, you like to use larges mugs. It has multiple temperatures that come in handy as you get to the bottom of your cup and want to reduce the temperature so the last few of sips aren't too hot.
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Reviewed in the United States on May 23, 2026
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