V100WPC: 100mm

• Length 114mm x Width 114mm x depth 112mm (from duct outlet to front of grille) depth from front of grille to back that sits flush on wall (82mm)

V125WPC: 125mm 

• Length 175mm x Width 175mm x depth 112mm (from duct outlet to front of grille) depth from front of grille to back that sits flush on wall (90mm)

V150WPC: 150mm 

• Length 175mm x Width 175mm x depth 112mm (from duct outlet to front of grille) depth from front of grille to back that sits flush on wall (90mm)