Chemtech Portasol Portable Toilet Sanitiser 1 Litre is a powerful concentrate formula that makes 25 doses per 1 Litre. This powerful formula cleans and disinfects the bowl of your Porta-Loo toilet. It leaves portable toilets hygienic, with a pleasant fragrance. Suitable for all types of chemical toilets and chemical toilet types; including caravan, motorhome, marine toilet holding tanks etc. Comes with a user-friendly measure pack to make it easy to use.