Scented oil refill delivers the comforting scent of freshly picked apples & warm cinnamon to evoke a cozy feeling wherever you may be. Long-lasting scent provides a continuous fragrance for up to 100 days. See-through bottle lets you quickly see the current level to prevent unexpected depletion. Scented oil is perfect for offices, busy bathrooms, kitchens & more. Refill is designed for use with Glade PlugIns scented oil warmers (sold separately).