Lockable frame vent 415/VA with V-blinds. Adjustable in combination with lockable vents of 100, 130 and 150 mm. Operating options: rotary knob (standard), rod operation, cord operation, motor operation._x000D__x000D_
Can be installed as double glass._x000D__x000D_
See-through and pierce-proof_x000D_._x000D_
IP Class 44 for version with water channel and mosquito netting for electrical installations on at least 350 mm.