Double layers aluminum exhaust duct for kitchen ventilator

Double layers aluminum exhaust duct for kitchen ventilator

Double layer(s) Aluminum duct

Spring wire: carbon steel from 0.9-1.3mm

Temperature: -30℃ to +150℃

Pressure: 3000Pa(max)

Thickness: 0.032-0.07mm

Appliancation: Range hood, air conditioner

Low cost and fire resistant