SC Johnson: A family company. Up to 60 days of freshness (Based on 36 minute setting). Fragrance infused with essential oils. Glade Automatic Refill Aqua Waves: Inspired by aqua waves crashing on the shores leaving a refreshing ocean mist. Crafted with notes of fresh sea salt and island flowers. Controllable power that delivers reliable fragrance. Reassurance and confidence that your home smells great every day! Provides long-lasting effect. Lasts up to 60 days (Based on 36 minute setting). A strong dependable fragrance experience! A family company since 1886. - Fisk Johnson.