Length: 289 mm
Height: 193 mm Aperture:: 229 mm x 152 mm
Features: Adjustable hit & miss ventilator Opening size 229mm x 152mm Free air space 4, 680 sq mm
Includes:: plastic flyscreen Surface fixing
Includes:: fixing screws White plastic ** Please note the
Dimensions stated on packaging refer to the aperture/opening size & not the total size of the vent**