Febreze Air Freshener, Car Vent Clip Air Freshener, New Car Air Freshener, 2 Clips Febreze car vent clips attach easily and act instantly Eliminate stubborn vehicle odors and slowly release a refreshing scent for up to 30 days on low and under ambient conditions Select your level of intensity to control how much scent is released Long lasting and mess free Eliminates tough odors so they are gone for good