Scented Oil Refill Features A Linen And Sky Scent To Provide A Noticeably Fresh Cloud Of A Fresh-Off-The-Clothesline Scent. Unique Odor Converters Transform The Structure Of Malodors To Prevent Your Nose From Detecting Lingering Smells In The Air. Long-Lasting Scent Cleans Away Stink For 1,200 Hours On The Low Setting. Scented Oil Refill Is Compatible With Both The Classic And Later Model Febreze Oil Warmers (Not Included).