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. Tranquil Skies-Fresh and airy. Like a fresh breeze rushing through your car. Notes of apple, freesia and lush greens combine to bring forth a crisp, yet relaxing scent. 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.