Please select size when ordering 4" 5" & 6" available 

Cowled Grille This grille does not have a flap inside Ideal for outside applications 

 Made from brushed stainless steel. 

 100mm, 125mm, 150mm models available. 

 Static Pressure Drop (pa) (Please make sure your fan is suitable) 

4" 100mm - 30m3/hr - 8.4Pa - 60m3/hr - 14Pa - 80m3/hr-20Pa 

5" 125mm - 40m3/hr - 6.6Pa - 90m3/hr - 10.9Pa - 130m3/hr-14.6Pa 

6" 150mm - 60m3/hr - 10Pa - 130m3/hr - 38.4Pa - 190m3/hr-72.9Pa