Application:Especially ideal for ventilation and air conditioning system, industrial vacuum cleaner, and granulate conveying systems. As suction and transport hose suitable for below substance:Gaseous medias such as vapors and smoke.Liquid medias.Small granules such as dusts, powders and etc.Features:Highly flexible with low weighExtremely compressibleSmooth interiorHighly transparent wallSmall bending radiusComply to REACHWorking temperature range -40 °C to +70 °C (Short time to 80 °C) Material: Wall: 100% Polyurethane Spiral: STEEL WIRE or plastic Transparent steel wire reinforced PU hoseI.D(inch)I.D(mm)Meter/Roll1 25151-1/432151-1/238152 51152-1/263153 76153-1/482153-1/290154 102154-1/2115155 127155-1/2140156 152158 2031510 25410 1230510 http://www.pu-belts.com/pid11501902/PU+reinforced+hose.htm