Vent-A-Matic Cord Operated Ventilator 162mm Diameter Double Glazed Model DGS106
The RW Simon Vent-A-Matic circular window vent is a non-electric window ventilator designed for kitchens, bathrooms, bedrooms with an average size room of 9000mm2. 106 DGS 23mm 159mm dia 18mm 65mm 179mm dia 203mm dia 162mm dia 50mm.