Abstract: A quick mounting and dismounting grille for ventilator shaft openings or the like which includes a ventilator grille, a mounting means for mounting the ventilator grille in a ventilator shaft opening or the like, the mounting means utilizing inward or outward spring pressure to achieve the mounting, and at least one clip means. The mounting means is mounted in the clip means. The clip means is detachably affixed to appendages, walls, vanes or the like on the backside of the mounting means by the inward spring lever pressure of the end portions of the two legs of the clip means.