Manthorpe Aluminium Louvre Vent - Select size

An aluminium louvred grille plate for covering over and providing ventilation through openings of 9" x 3", 9" x 6" or 9" x 9". The vent is designed to fully cover over a treble brick aperture. Fix by using four No. 6 gauge round head screws of appropriate length. Suitable for both interior/exterior fresh air ventilation and warm air systems. To clean, wash in soapy water. If fitting to vent a gas appliance do no block this vent. Features For openings up to 229 x 76mm (AV903) / 229 x 152mm (AV606) / 229 x 229mm (AV609) Free ventilation area: 3,400mm² (AV603)/ 6,800mm² (AV606) / 10,200mm² (AV609) Easy surface mounting Suitable for interior & exterior use Size 260 x 90 x 6mm AV603 260 x 165 x 6mm AV606 260 x 240 x 6mm AV609