Continue To Enjoy The Scent Of Relaxing And Calming Violet With Our Luxurious Smooth Vanilla Refill For Our Private Collection Or Luxury Fragrance Sticks Holder. The Refill Lasts Up To 10 Months. Always Use New Diffuser Sticks With Each Refill. There'S No Need To Turn Them, However, If You'D Prefer A More Intense Perfume Experience, The Sticks Can Be Turned More Often To Suit Your Preference.