Double Blue is double concentrated so whilst it gives exactly the same unbeatable anti-bacterial performance as Elsan Blue, it provides twice the doses making it especially good value.
As it is concentrated, it also takes up less valuable storage space. Elsan Double Blue is also pleasantly fragranced, non-staining and suitable for all chemical toilets and cassettes.
Due to shipping restrictions this product can only be bought in store.
Isle of Man residents can arrange for this item to be home delivered.