Description: Personalize your small space with natural, signature fragrances that provide a fresh, clean and long-lasting experience. Attractive oil warmer features a sleek modern diffuser design that complements any dcor. Simply plug the unit into an outlet in any room and adjust fragrance control. Freshens up to 45 days, depending on settings. Refills also fit Glade and Air Wick warmer units.0.67 fl oz per refill.