Vent-A-Matic pull cord ventilator for double glazed windows model DGS106. Complete with stormguard.

Equipped with a diffusing rotor which operates with the slightest differential in air pressure.

A non-electric ventilator specifically designed for double glazed windows with an overall thickness up to 32mm. Hole aperture size - 162mm.

Simple to fit.

Airflow tested to BS 13141-1:2004 as required to approved document "F" of building regulations.

Can be cleaned with normal window cleaning products.