Scented oil refill delivers the comforting scent of freshly picked apples and warm cinnamon to evoke a cozy feeling wherever you may be. Long-lasting scent provides a continuous fragrance for up to 30 days. See-through bottle lets you quickly see the current level to prevent unexpected depletion. Scented oil is perfect for offices, busy bathrooms, kitchens and more. Refill is designed for use with Glade PlugIns scented oil warmers (sold separately).