Hills Of Munnar' a unique fragrance brings to you the soothing touch of lavender and lotus to fill your home with sweet and aromatic fragrances. One Airwick Freshmatic refill provides up to 70 days of fragrance (on low' setting on the device). For best experience use the refill along with the unique Airwick Freshmatic Device 2600 fragrant sprays vs. 70 sprays (Regular Aerosols). The Airwick Freshmatic device automatically releases bursts of continuous fresh fragrance so that your home always smells beautiful. There are three intensity settings available on the device - High Medium & Low to regulate the frequency of sprays.