Louvre grille, 150x150 mm – Exist in color red, white, black and grey For external installation Has small ribs beneath the slanted louvres to keep out insects and other small animals Fits wall duct 111195 (see related products) Dimensions (A×B×C×D×E×F, see attached file): 177×140×177×140×27×22 mm Air passage: 57 cm²