Simon Vent-A-Matic PB Static Window Glass Ventilator 164mm (6")

Static air vent for single glazed windows with 164mm aperture hole. Meets all modern gas regulations where continuos ventilation is required.

• Continous static thru-air vent
• 7097m2 performance
• Use single glazed (up tp 6mm) aperture 164mm (6.46")
• Simple two part fitting