Air Wick Freshmatic Refill Lavender is a fragrance infused with natural essential oils. Lavender Freshmatic Refill automatic spray is up to 70 days fragrance (Based on lowest setting). Up to 70 days fragrance *based on lowest setting Fragrance infused with natural essential oils Lavender freshmatic refill Automatically releases bursts of fragrance for a constant freshness in your home For use only with Air Wick Freshmatic Automatic Spray Diffuser Unit.