4 Inch x 5 FT Air Conditioning Exhaust Hose, PP Material & Flexible, for HVAC system silent-inline-duct-fan The flex duct is built

The flex duct is built with 2 layers of aluminum foil with a layer of PET and steel wire helix to preserve the shape

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IP44 rating

IP44 rated

Inner Rotor Exhaust Fan Provides rapid and potent air movement

4 Inch x 5 FT Air Conditioning Exhaust Hose, PP Material & Flexible, for HVAC system silent-inline-duct-fan The flex duct is builtHON&GUAN Ventilation Solutions Overview Vent Hose Series Description PVC Dryer Vent Hose Durable, lightweight PVC hose offers a smooth interior for easy airflow with basic insulation and lightblocking properties, ideal for short, flexible dryervent runs. Double Layer Aluminum Foil Duct Constructed from two concentric layers of aluminum foil reinforced with a steelwire helix, this hose delivers superior heat resistance, puncture durability, and minimal