With up to 2,400 fragrant sprays per refill. Not just fragrances the home but also neutralizes odours 1 pack fills the room for up to 60 days (Under lab test conditions at low device setting) With scents of sun bleached driftwood, salty sea spray and warm breeze Available in - Turquoise Oasis, Summer Delights, Citrus Spice, Morning Rose Dew and Cosy by the Fire