Double Blue is double concentrated, offering the same unbeatable anti-bacterial performance as Elsan Blue while providing twice the doses, making it especially good value.
- Space-saving: Its concentrated formula takes up less valuable storage space.
- Pleasantly fragranced: Enjoy a fresh scent with every use.
- Non-staining: Designed to keep your toilets clean without leaving marks.
- Versatile: Suitable for all chemical toilets and cassettes.
