... )easy to fix and operate Island tempered glass kitchen hood:model-2002A IS Materialstainless steel+tempered glass430 ... 10,Weight: means the gross weight. 11,Air flow: According to IEC61591, to be devided into (when ... the wind pressure is 15Pa, the Air flow is 200m³/h. The second one is completely ... correct information. Here we show the maximum Air flow. 12,Wind pressure: According to the IEC61591, ...