Aluminium External Grilles - GRA

 
Aluiminium externally mounted discharge/supply air grilles.
 
   
   
Model Ext dim A  ∟ Grille area B ∟ Recommended Airflow Δp = 30pa m3/h
70 140 x 140 100 x 100 120
100 165 x 165 125 x 125 195
150 190 x 190 150 x 150 280
200 210 x 210 165 x 165 340
300 240 x 240 200 x 200 590