This RW Simon clear and robust Vent-A-Matic static in-glass ventilator fits into double glazed units to provide a discrete and effective way of ensuring a steady and persistent flow of fresh air to any room.
Features:
Provides continuous ventilation and conforms with Gas Board recommendations
Fits double glazing units 12-32mm thick
Designed for hermetically sealed units so MUST be fitted by the glazing manufacturer unless this is intended as a replacement unit
Square louvred internal plate
Comes with integrated storm guard to reduce drafts even in exposed settings
Fits a 162mm diameter sized hole
Achieves airflow performance 7796mm² EA
Ensure extra weather sealing and security by applying a little clear sealant to the external glazing ring
Quickly and easily fitted in two parts into the glass aperture
Manufactured from UV stabilised translucent polystyrene to resist yellowing