Features: 1Flexible ventilation pipe good heat and sound insulation effect suitable for the connection of ventilating fan and ventilation pipe. 2Widely used in the ventilation ducts of household exhaust fans ventilating fans and range hoods. 3It is enclosed with high temperature resistant aluminum foil and silent cotton and the outer layer is a waterproof PVC film. 4Doublelayer aluminum foil which is strong and durable wearresistant anticorrosive and long service life. 5It can be bent or contracted arbitrarily reducing wind resistance sealing leakproof flameretardant and compressive. Specification: Item Type: Vent HoseMaterial: PVC+Aluminum Foil+Mute CottonWeight: Approx. 650g / 22.9ozProduct Color: BlackUse Occasion: Exhaust Fan Ventilating Fan Range Hood Ventilation DuctStretching Length: Approx. 1m / 3.3ftVentilation Pipe Diameter: Approx. 110mm / 4.3inProduct Size: Approx. 39x16x16cm / 15.4x6.3x6.3in Package List: 1 x Vent Hose Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.