OB20 Electric Surface Mounted Overbox Hampstead allowing installation in single or

allowing installation in single or multiple glazing

Proper use of spreaders can prevent damage to the door or lock

They also surpass BS6375-2 standards and can support up to 21kg in sash weight

The adjustable friction mechanism ensures easy installation

OB20 Electric Surface Mounted Overbox Hampstead allowing installation in single orNot available online. Purchase in store only "We do a range of different Overboxes, Meterboxes, Loft Hatches & Access Panels, but we do not always keep them in stock to hand. To order, or if you require more information, enquire in store or online via our contact form." The OB20 Electric Surface Mounted Overbox is designed to fit securely over a fixed electric box. It comes with all necessary fixings and features side flanges for easy installation.