•Quality glass mounted ventilator
•Safe non-electrical function
•Patented diffusing rotor system prevents severe draughts
•Controllable - with open/close shutters
•Fits single glazed units (glass) thickness from 4-6mm
•Fits a 162mm diameter hole
•Quickly and easily fitted in two parts into the glass aperture
•Injection moulded components made from UV stabilised translucent polystyrene to avoid discolouration.
•An SG6 stormguard is recommended with this model particularly in exposed locations or harsh conditions (Not Included)