Use with TimeMist 3000 Shot Micro dispensers Premium fragrance for metered air fresheners. Lasts a full 30 days when set at 15-minute intervals. Clean cotton fragrance offers the scent of sun-dried cotton combined with green notes, white flowers and a hint of lemon. Waterbury Yankee Candle(R) Micro Clean Refills, Clean Cotton is one of many Air Freshener Refills available through Office Depot. Made by Waterbury.