Keep a few extra Air Wick Freshmatic refills on hand, just in case those pesky smells and odors from the hectic hustle and bustle of life make their way into your home. With their light and subtle freshness, the smells will be gone in no time. For continuous air fragrance and total room deodorization. Air Wick Freshmatic automatic spray refills are designed for use with Air Wick® Freshmatic® Ultra Automatic Air Freshener (sold separately). Allows you to set the timed intervals for fragrance spray. Lasts for up to 60 days.