Blade centre: 50mm
Blade angle: 25°
Visual free area: 75%
Physical free area: 47%
Frame depth: 225mm
Flange: 33.5mm
Tested to EN 13030:2002
BSRIA test report: 57986/1
Class A at a velocity of 1.5m/s
Options
Standard RAL or BS colours
Anodizing to special order
Insect mesh and Bird mesh
Single skin, or double skin insulated blanking panels with or without plenum box.