air ventilator(ventilator,air filter)

Technical parameter:Height: 105mmGlass reduction: 90mmGlass thickness: 20, 24,28mmFree area: 15000mm2/ mAirflow: 50m3/m/h at 2 PaWind tightness: According to BS 6375, Part 1, 500 PaWater tightness: According to BS 6375, Part 1, 500 PaStiffness and strength: According to BS 6375, Part 1 to 1800 PaAcoustic insulation: According to BS 2750, Part 2In open position: 25.6 dB (A)In closed position: 45.1 dB (A)Merit:1. Make of thermal bridge aluminium extrusion.2. Any kind of oxygenation and Ral color aluminium is available, outside and inside color can be different.3. The plastic pieces on the both ends indicate open-close state.(green shows open while red shows close)4. Hand control, rod control and cord control can be chosen from.5. Easy for assembly and installation.6. Suitable for PVC-U, timber or aluminium windows.Assembly:1. Cut ventilator to size from a bar length (3000 or 6000 mm)2. Assemble end caps (1 left + 1 right)3. Assemble glass strips or sealant.Order instruction:Write down th
air ventilator(ventilator,air filter)