Long lasting, up to 45 days. Compare to the performance of Renuzit (This product is not manufactured or distributed by The Dial Corp., the distributor or Renuzit). Thank you for purchasing this quality product. Made in China. Directions: 1. Remove protective wrap. 2. Turn cone counter clockwise to open. 3. Adjust for desired amount of freshening. 4. Replace in 45 days or when fragrance is not noticeable.