Map Metal Louvre Air Vent Cover, for Openings 9" x (229 229mm), Suitable Venting Gas Appliances Internal External Wall, Silver

Free Air Space 10,200sq mm Overall vent size: 260mm x 240mm Screw hole distance: 248mm x 230mm Easy surface fixing using 4 x No.6 gauge round head screws (not included) Louvred Vent encourages the flow of air through a building