[200mm]

[300mm]

Duct diameter: 7.9 inches (200 mm). Extends up to 16.4 ft (5 m), adjustable to the desired length.
The reducer comes with a string, making it easy to install on the fan!
It is also flameproof treatment that is safe even in the event of an emergency.
Even when the duct is folded, it has a spiral line, so it wont flatten or deform easily.
Ideal for ventilation in factories, construction and work sites, including hot air, gas and dust.

Size (approx.)
Duct Diameter: 7.9 inches (200 mm)
Total length: 16.4 ft (5 m)
Weight: 7.5 lbs (3.5 kg).
Material: Polyester.
Reducer included.

This product is an overseas product, so there may be some scratches, dirt, or rust.
Please be aware of this before purchasing.

About Warranty:
We have established a return and exchange policy that is almost identical to Amazon.co.jp.
Please return request and return to us within 30 days after the product arrives.
We accept returns via [Order history]. Please choose 【Return or Exchange the product】.
In addition, please understand that if you return it due to the customers preference, the shipping fee will be borne by the customer.