De-Ionised Water 1, 5 & 25 Litres by Bird Brand

Pure De-ionised water.

Used to prevent furring and scale formation.

For use commonly in steam irons and re-fillable batteries.

Also used in window cleaning and due to containing no minerals it will not leave streaks or deposits when dry.

Additionally polished and then filtered with a UV lamp the micro-siemen count is typically 5 and always less than 10.  (or approximately 10ppm).

Protect from daylight for storage.

Distilled water has the same properties  but it is derived by steam distillation.