Hon&Guan exhaust duct ø150mm ventilation duct soundproofed thermal insulation aluminum flex pipe length 2.5m, Flexible PVC aluminum flex hose for pipe fan, fan, kitchen, air conditioning

["Flexible Ventilation Duct: Inner diameter approx.157 mm, outer diameter approx. 160 mm. Flex tube is 2.5m long and can be cut to size. Two stainless steel hose clamps for connecting the ventilation hose are also included in the packaging.", "Corrosion Resistant and Durable: Hose made of 1 x PVC, 2 x aluminum foil, 1 x centrifugal force glass wool and steel wire to maintain shape. Thick PVC layer and 2 layers of aluminum to prevent gas leakage.", "Soundproofing High-Quality Material: With centrifugal glass wool inside, has good sound-absorbing performance, can reduce noise by up to 50%.", "Thermal Insulation: PVC Alurohr Flex-Duct for heating, cooling, and ventilation, well insulated, -30°C to 120°C.", "Wide Applications: Suitable for portable air conditioners. Suitable for use in kitchens (cooker hood), greenhouses (air circulation, supply, exhaust), bathrooms (odor and moisture exhaust), dryer rooms, grow tents, and more."]