Scent Aire’s Signature Metered Aerosol System includes a state-of-the-art Digital Dispensers that automatically delivers a pre-set shot of fragrance spray. 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.