This Filter & Fresh automatic air freshener not only fills your room with a delightful long lasting fragrance, it also incorporates an OdourTrap filter to actively remove unpleasant odours from the air. With 5 different fragrance intensity settings, it makes it easy to keep any room of your home smelling just the way you want it. Simply insert the refill bottle, plug the unit in and select your preferred intensity setting – then relax as the refreshing fragrance instantly begins to infuse your room. The Air Wick Filter & Fresh air freshener is specially designed to provide continuous, quality fragrance for your home whilst eliminating odours. Its quiet yet powerful fan breathes in unpleasant smells and traps the odour molecules in the special OdourTrap filter, before freshening the air with a delightful fragrance and dispersing it throughout the room to leave your home smelling fantastic. There are no batteries required, and this pack includes a power cord, so you can start experiencing the wonderful freshness straight away.