Vent Clip – Small clips. Big results. Vent Clips are easy to use and last up to 30 days. Just attach one to your air vent and get ready to smell the transformation inside your car. New Car – A rush of adrenaline in the air. Citrus and aromatic herbs and spices meet a sophisticated background of leather and soft suede. FRESH fx car air fresheners developed with advanced Odor Elimination Technology, you can choose your favorite fragrance and destroy tough odors like food, pet, and smoke.