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              This type is characterised by high indication, which suits in rapid 
              decay of supply air velocity and temperature 
              Differential. 
             
                  The recommended supply air temperature differential 
              range is 10K. while the recommended ceiling height is between 2.6 
              to 4.0m. 
             
                  The perforated face has 7.5mm diameter holes 
              on 6.25mm center in a 60 degree staggered pattern. 
             
                  This PCD can be combined with any of Multi-pattern 
              diffusers to give the desired air distribution. 
              
              
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