Rust oleum grey semi gloss appliance enamel spray paint 400 mlthis grey semi gloss appliance enamel spray paint from rust oleum has been specially designed to give a stunning finish to indoor metal surfaces such as washing machines tumble dryers refrigerators dishwashers other indoor metal applications around your home simply apply and leave for 24 hours to dry a great way to revamp your home covers 2m per litre on average