Air Wick Scented Oil Air Freshener Twin Refill is designed to add a consistent and long-lasting fresh fragrance to a bedroom, bathroom, living room or den. This Air Wick Scented Oil Room Freshener Refill comes in a twin pack for your convenience. Captures the freshness of a cool, sparkling stream mixed with the light scent of a summer evening breeze. This oil refill is simple to use, just plug in the scented oil warmer and insert this refill. When the oil runs out, you can opt to replace it with the same or different fragrance. Air Wick Scented Oil Refills room fresheners are compatible with all Air Wick Scented Oil Warmers.