VEVOR Portable Ventilator, 8 inch Heavy Duty Cylinder Fan with 16.4ft Duct Hose, 195W Strong Shop Exhaust Blower 1070CFM, Industrial Utility Blower for Sucking Dust, Smoke, Smoke Home/Workplace

Inner diameter is about 210mm and we cannot find the static pressure, due to the lack of prototype for the time being. You can refer to the product detail page/manual for more information, thank you for your understanding.

Portable Ventilator, 12 inch Heavy Duty Cylinder Fan with 16.4ft Duct Hose, 585W Strong Shop Exhaust Blower 3198CFM The machine is not explosion-proof and spray painting is not recommended.

This thing could blow paint off a wall- hahaha - Its got tons of air movement. Duct hose goes on the end easy with a draw string.

This is a strange question; Mine is a 12" blower and the Ventilator Fume Extractor (or hose) is 12"

By my calculations, roughly 10m.

All products on our official website come with a 12-month warranty. If you purchase a product that has a problem within one year, we will be responsible for you. Here is the link: https://www.vevor.com/pages/contact-us

Don't know but I've work in extreme weather in the Island. And it is resistant, easy to clean as long as you can expand it, so it dries and it doesn't create mosquitos !