An air freshener capable of varying scent intensity, the air freshener operably connectable to a mounting portion for releasably attaching the air freshener to an interior surface in an interior space, the air freshener comprising: (a) a housing having a front housing part and a housing shroud, wherein the housing shroud circumscribes at least part of the front housing part to define a side of the housing; (b) a center longitudinal axis extending along a length of the front housing part and extending through a center of the front housing part; (c) a diffusion window disposed in the housing shroud, the diffusion window having a diffusion window cross sectional plane extending across the diffusion window, wherein the diffusion window sectional plane has a diffusion window centroid; (d) a perfume containing body contained within the housing in fluid communication with the diffusion window, wherein the perfume containing body comprises an exterior evaporative surface; (e) an air flow axis intersecting the diffusion window centroid defining a diffusion path, wherein the defined diffusion path is at least partially formed by the exterior evaporative surface of the perfume containing body, wherein a diffusion path forming exterior evaporative surface is in fluid communication with the defined diffusion path and has a diffusion path forming exterior evaporative surface cross sectional area of 5 cm 2 to 100 cm 2; (f) wherein the defined diffusion path comprises a minimum cross-sectional area of at least 0.2 cm 2 measured along the length of the air flow axis and at least along the length of the diffusion path forming exterior evaporative surface; and (g) a scent intensity selector adjustably attached to the side of the housing for at least partially covering or uncovering the diffusion window. (a) a housing having a front housing part and a housing shroud, wherein the housing shroud circumscribes at least part of the front housing part to define a side of the housing; (b) a center longitudinal axis extending along a length of the front housing part and extending through a center of the front housing part; (c) a diffusion window disposed in the housing shroud, the diffusion window having a diffusion window cross sectional plane extending across the diffusion window, wherein the diffusion window sectional plane has a diffusion window centroid; (d) a perfume containing body contained within the housing in fluid communication with the diffusion window, wherein the perfume containing body comprises an exterior evaporative surface; (e) an air flow axis intersecting the diffusion window centroid defining a diffusion path, wherein the defined diffusion path is at least partially formed by the exterior evaporative surface of the perfume containing body, wherein a diffusion path forming exterior evaporative surface is in fluid communication with the defined diffusion path and has a diffusion path forming exterior evaporative surface cross sectional area of 5 cm 2 to 100 cm 2; (f) wherein the defined diffusion path comprises a minimum cross-sectional area of at least 0.2 cm 2 measured along the length of the air flow axis and at least along the length of the diffusion path forming exterior evaporative surface; and (g) a scent intensity selector adjustably attached to the side of the housing for at least partially covering or uncovering the diffusion window.