Glade Plug In Scented Oil Warmer + Refill. Clean Linen Scent. Decorate the air with our Glade Plug In air freshener Oil Plugins that change the mood with 2x more adjustability. Glade air freshener fragrance is consciously crafted by master perfumers and infused with essential oils. Enjoy up to 50 days of fragrance with Glade Plugin Refills (per refill, on low setting)