1.Environmental canvas flexible duct: thickness: 0.5mm;0.75mm;0.85mm
2.Waxy coated canvas flexible duct: thickness: 0.5mm;0.75mm;0.85mm
3.Waterproof canvas flexible duct: thickness: 0.5mm
Features: rating of temperature of the canvas flexible ducts above: -20℃~100℃; Size: customized; Purpose: Flexible connections between air flue and fan.

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