Manthorpe 9" x 6" Louvre Vent with Flyscreen

A flyscreened louvred grille plate for covering over and providing ventilation through a 9" x 6" opening. For openings up to 229 x 152mm Free ventilation area: 9,500mm2 Easy surface mounting Fitted with integral flyscreen Suitable for interior use The vent is designed to fully cover over a double brick aperture. Fix by using four No. 6 gauge round head screws of appropriate length.