Elsan Double Concentrated Toilet Fluid Blue, 1 Litres

Amazon

Elsan double Blue concentrated toilet fluid - 1 litre Powerful anti-bacterial formula kills germs and bacteria Eliminates unpleasant odours Exceed the British Standard BS. 2893:1989 Non-staining - suitable for all chemical toilets and cassettes

Zoro Tools

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