* The Euro Green Black Quartz deodorizer is a passive deodorizing system without batteries or propellants. * The automatic fragrance experience ensures optimal ease of use. * Refills last over 60 days and are made from unbaked and biodegradable clay. * The refills also have a Carbon Footprint Approved certificate. * No battery required. * No propellant gas. * Automatic fragrance experience. * Dimensions: 137x60x63mm.