Aluminium Semi Rigid Flexible Duct Hose For 150mm Kitchen Ducting The aluminium semi rigid ducting hose is suitable for ducting kitchen cooker hoods and bathroom/toilet fans. Internal diameter when pulled out 152mm for 150mm spigot, Length 1.5 metres when pulled out. Technical Specification:- The aluminium hose is made up of 1 layer of aluminium Its maximum working pressure is 10 000 Pa with a maximum air velocity of 30m/sec Its bending radius is 0.76 x hose diameter and its temperature range is max plus 250 - minus 30 degrees C
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