Technical information - Air-conditioning hose: Diameter (mm): 150 inside, 200 outside, Length: 5 m, Insulation thickness: 25 mm, Insulation density: 12-16 kg/m3, Laminated aluminium polyester multilayer / metallised polyester outer shell +2500 Pa, 25 m/sec, Temp: -30 °C / + 140 °C Wide range of applications - Thermally and acoustically insulated flexible ducts are specially designed for air transport in ventilation and air conditioning systems Quiet - The product suppresses noise and dampens vibrations, insulates air temperature. Durable - The product is resistant to both low and high temperatures. In addition, it is protected against moisture Stable - The inner frame of the cable consists of a very strong spiral spring. It ensures sufficient rigidity and preservation of the cross-section., Weight: 1.10231131 pounds, Manufacturer: STERR