1)polyester ventilation spiral duct for suction and blast 2)Flame-retardant and good resistant to heat 3)Light weight Clamped Polyester ventilation spiral duct Applications: Flame-retardant suction and blast hose, especially suitable: - for applications where flame-retardant hoses are needed - for solids such as dust, powder and fibers - for gaseous media like vapors and smoke - as bellows and ...
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