4 Inch Flexible Ducting Hose 16.5 feet, Grey Aluminum Ducting Dryer Vent Hose with 2 Screw Clamps for Heating Ventilation Air Conditioning (HVAC), Boat Blower, Exhaust Grow Tents
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This item is eligible for return within 30 days of receipt
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Availability:
In Stock.
Arrives
Monday, Sep 29
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Color: Grey - 4 Inch
Features
- 3 INCH FLEXIBLE DUCTING - The 4" boat blower hose is made of Aluminum and PVC Thermoplastic. 3 inch (75mm) diameter and 16.5 feet total length. Come with 2 pcs stainless steel clamps
- DESIGNED for VENTILATION APPLICATIONS - The 4 inch flexible hose is designed as aluminum and PVC thermoplastic constructed flexible ventilation ducting according to your HVAC, dryer, grow rooms or tents
- 4-LAYER DEISGN - Our 4 inch vent hose features four-layer protection, making it more durable and resistant to leaks than single-layer designs. The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant, the outer layer adopts grey dual PVC thermoplastic that protects the aluminum from cuts and tears while preventing leakage
- EASY INSTALL & CUSTOMIZE YOUR USE LENGTH - The 3 inch dryer vent hose could be easily cut by wire cutters, and cut any length according to your needs. Two 4-inch clamps make the installation a breeze
- WIDELY APPLICATIONS - The 4 flexible ducts usually be used in heating, ventilation, and air conditioning (HVAC) system to deliver and remove air. Plays an important role in delivering and removing air in hydroponic grow rooms and tents, inline fans, bathrooms and attics, heating and cooling transportation, and other installations. It also can be as ac exhaust hose and dryer vent hose
Manufacturer: Holdware
Part Number: HCUS-DuctHose-20221207
Item Weight: 1.81 pounds
Product Dimensions: 16.5 x 3.5 x 3.5 inches
Country of Origin: China
Item model number: AP2022111702
Color: Grey - 4 Inch
Batteries Included?: No
Batteries Required?: No
Date First Available: January 28, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Grey - 3inch
Seems to be well made, heavier than a standard pvc hose, but not as ridged as an aluminum flex hose. The color is not black. It’s a medium grey. Not a big deal to me for my application, but if your looking specifically for black this isn’t it.
Reviewed in the United States 🇺🇸 on March 27, 2022 by Amazon Customer
Color: Black- 3inch
Needed a smaller hose for my true 2KW diesel heater. This was the smallest compact design that has some sturdiness that I could find. So far its doing very well! My heater is in a storage box I keep outside my truck with a window interface for the air and controller. When not in use, everything has to pack down into the box and this hose packs down REALLy well. Holds up just fine to the heat, but the 2KW does run cooler than the 5KW.
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Reviewed in the United States 🇺🇸 on February 26, 2022 by Shawn
Color: Black- 3inch
Used this as ducting from a diesel heater to a rooftop tent, it definitely serves the purpose, outside of the tube doesn’t get too hot to melt anything and the air coming through stays at a warm temperature (depending on how long of a run you’re pushing it) only negative thing is the plastic outer liner is prone to peeling at both ends of the tube.
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Reviewed in the United States 🇺🇸 on September 25, 2021 by Tyler Rude
Color: Grey - 3inch
I had previously used semi rigid aluminum to vent my ceramics kiln. Problem was that the fumes from my glazes were corrosive and the aluminum disintegrated. I replaced it with this and it has been such a relief. More forgiving, flexible and no corroded leaks. Noise isn't much of an issue for this although the fan noise is a little quieter. Will check back if things change...
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Reviewed in the United States 🇺🇸 on April 8, 2022 by Icre8
Color: Black- 3inch
works great
Reviewed in the United States 🇺🇸 on February 18, 2022 by spatrick
Color: Black- 3inch
The media could not be loaded. Before I bought , I asked the seller if it would work on a chinese diesel car parking heater, the reply was YES. So I bought it and the seller was right . I ran my heater on high 5.1hrtz for almost 2 hours and no problems. I will not be using the full length but only about 6' of it so very satisfied . I made a little video of it running Only prblem I had was when I turned the heater to low 2.5hrtz and after 8-10 min. got error 05 which is overheat and the unit shut it self down, I then realized the low fan speed is not fast enough so I set it at 1600 and works flawlessly.
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Reviewed in the United States 🇺🇸 on January 25, 2021 by Wii oldtyme player
Color: Black- 3inch
Not recommended for RTT use eith diesel heater. It works well, but what duct doesnt direct air? But this thing smells bad. At first I thought it was exhaust leaks so I bought all new hardware for the diesel heater to keep exhaust fumes away from the intakes. Air still smelled like burnt plastic. I put a dryer sheet on the intake and the smell got better but was still present. You'll get a headache. I missed the returned date. Do not use on diesel heater for RTT!
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Reviewed in the United States 🇺🇸 on December 31, 2022 by marcelo l.
Color: Black- 3inch
I bought this specifically for installing on my diesel heater and it works very well. I connected this to the hose that came with the heater with aluminum duct tape. The louver end fits good with the clamp provided. easy to cut with utility knife and wire cutters.
Reviewed in the United States 🇺🇸 on January 10, 2022 by J. S. Alan