Air freshener device for automotive vehicle compartments, comprising a support (1) having means (2) for removable connection thereof to the dash panel of a motor vehicle, a fragrance-containing capsule (15) adapted to be associated with said support, said capsule having a fragrance-containing compartment (16) and an opening in said compartment, which is covered with an osmotic membrane (24) for fragrance release. The device has a cavity (5), with a closed bottom (6) and an open top end (7), a first vertical wall (8) externally equipped with said means (2) for removable connection to the dash panel, a second vertical wall (10) opposite to the first wall, as well as walls (11, 12) that enclose the cavity (5) at its sides, said second wall (10) having an opening (14) which is designed to be in register with said opening (23) with the osmotic membrane (24) of the compartment (16) of the capsule (15) when the latter is associated with the support and placed in its cavity (5).Should the osmotic membrane be damaged, the liquid of fragrant liquid leaking out of the capsule would flow into said cavity (5) of the device, whereby damages to the dash panel of the automotive vehicle having the device mounted thereto would be avoided.