cent Aire’s Signature Metered Aerosol System includes a state-of-the-art Scent Aire White Digital Dispenser that automatically delivers a pre-set shot of fragrance spray. It also features aerosols with metered tips to dispense just the right amount of delightful fragrance of your choice. Scent Aire Signature Fragrances aerosols don’t just mask bad odours, they’re odour counteractants that neutralise strong unpleasant smells and convert them to a beautiful, long lasting fragrance. Digitally programmable so that you can choose start time, spray intervals and day length.