Approved all over the world, our Solo smoke aerosols (used with the Solo 330/332 dispensers) deliver smoke particles to the detector under test replicating the conditions of smoke from a fire. Our range of smoke aerosols has recently increased to allow continued use of our Solo 330/332 dispensers in full compliance with latest regulations. All Solo smoke aerosols are: Detector manufacturer approved Designed for use with the Solo 330/332 dispensers Non-toxic Silicone free Compliant with regulations & UL certified