400ml or 1 Litre Double Blue Toilet Fluid Double concentrated Equal to 2 x the equivalent sized Elsan Blue Toilet Fluid Pleasantly fragranced and suitable for all chemical toilets and cassettes Conforms to: British Standard 2893 Conforms to: British Standard 2893 Pleasantly fragranced and suitable for all chemical toilets and cassettes Equal to 2 x the equivalent sized Elsan Blue Toilet Fluid Double concentrated 400ml or 1 Litre Double Blue Toilet Fluid
eBay