Air freshener refills deliver the scent of a breeze off the Pacific Ocean mingling with the Hawaiian pineapple groves & tropical flora to bring a feeling of paradise to your commercial area every day. Each fragrance-infused gel cartridge slides into the Glade Decor Scents Electric Warmer or Glass Holder (both sold separately) & is gently warmed so scent is released gradually & doesn't overpower. The Hawaiian Breeze Scent fragrance cartridge lasts up to 30 days.