Commonly known as 2-phenylphenol (or OPP), the active biocide is a weakly acidic, phenolic organic compound which acts specifically on the cell membrane. The disinfectant smoke bomb is unique to the market and available in a 30g tin for easy, safe use in schools, gyms, hotels, homes, medical premises, commercial buildings amongst many others. Next working day delivery is not available for the Scottish Highlands and some remote areas where an additional charge may apply. Coverage: Up to 60 m3- ideal for individual rooms in domestic, commercial. Perfect for house moving companies to disinfect furniture within the vehicle. Must be place on a fireproof surface before lighting. Switch off smoke alarms prior to using smoke bombs!