Greenwood 6000s upvc window vents
Colour White
Length 550mm Hole Distances 530mm
Air Flow
No1. Air Flow Provides 3400mm² equivalent area (E+W) 6000mm²
free Area (s) with rout slot 12.5mm
No2. Air Flow Provides 4200mm² equivalent area (E+W) 8000mm²
free Area (s) with rout slot 16.mm