Refill is designed for use with Reckitt & Benckiser Air Wick Freshmatic Ultra Odor Detect. Air freshener provides up to 60 days of continuous air fragrance when used in the Air Wick Freshmatic dispenser.Spray - 6.17 oz - Fresh Water - 60 Day Refill for Reckitt Benckiser Air Wick Freshmatic Ultra Odor DetectFresh Waters scentLasts up to 60 DaysSize: 6.17 oz