VIVOSUN 4 Inch Aluminum Foil Ducting, 8FT Long Heavy-Duty Dryer Hose Vent Kit, Black Flexible Air Duct with 2 Clamps

This 4-inch aluminum foil ducting is extremely well made and far sturdier than I expected. The aluminum layering feels thick and reinforced, not cheap or flimsy, and it holds its shape perfectly once installed. I really like the black outer layer—it looks clean, professional, and helps with light control compared to standard silver ducting. The hose is flexible enough to route easily, yet strong enough that it doesn’t collapse or kink. The 8-foot length was perfect for my setup, and the included clamps fit snug and secure with no air leaks. Overall, this is a high-quality, heavy-duty vent hose that feels reliable and built to last. Great for HVAC, dryer vents, or exhaust fan systems. I would absolutely buy this again and recommend it to anyone looking for durable, trustworthy ducting.

Excelente

Great price for good quality product. I was looking for something inexpensive to finish my Tesla coil toroid (the part shaped line a wheel that shoots sparks) 2 dollar tree pizza pans separated buy cleaned out wet cat food cans wrapped in this aluminum duct worked beautifully. I work with aluminum duct work in diesel heat&a/c systems all the time, this is much sturdier. Very solid product.

Habe es zur Abluft meiner Brauchwasser Wärmepumpe im Keller gekauft, passt

This worked our perfect! I bought a 6" duct fan, 6" hole saw, a 6" wall mounted vent cap and this tubing was the missing piece. Seemed to be high quality, it was accordion style so I expanded it for what I needed and left the rest collapsed so I didn't have to cut it. No punctures or tears, and I appreciate that it came with the large clamp bands which can be hard to find and just add extra cost. Overall, really happy with this and the 4" one I purchased also!