Adjustable Air Vent with Flyscreen Cover, 9"" X 6"" (229Mm X 152Mm), Hit & Miss Do

--For openings up to 9\"" x 6\"" (229mm x 152mm). Screw hole distance: 254mm x 152mm. Desgined to fully cover double brick aperture\n--Integrated flyscreen to protect from flies, insects etc\n--Suitable for external and internal use including larders, cupboards and wardrobes. Screws are concealed to provide a more attractive finish\n--Hit & Miss design means you can open and close vent by sliding each way\n--Meets building regulations. Please note it is not suitable for use with gas appliances. Screws are not included.\n This is our white, plastic adjustable vent with fly screen with openings: 9\"" x 6\"" , Airflow when open: 6350sq mm