Kick car odors to the curb and enjoy up to 40 days of consistent scent with Febreze AUTO car air fresheners. While other car air refreshers start off like a floral punch in the face, Febreze car air fresheners smell just right, right away. You'll get that first-day Febreze fresh for up to 40 days courtesy of its patented Steady Release Technology. This Febreze car air freshener vent clip is a breeze to install: Just unfold the clip until you hear a click, then clip it to your vent. It uses your car's fan to circulate an even scent through your entire vehicle. These Febreze car air fresheners are made with odor fighters that fight any car stink with a scent that lasts. So forget those overwhelming, fade-too-soon car air fresheners and enhance every drive with the long-lasting freshness of Febreze AUTO car air fresheners. Want a fresh that lasts at home, too? Try Febreze Fade Defy PLUG. 2 Count .07 Ounce Car Vent Clips