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Two-litres+: for families, those who drink lots or if you don’t want to keep refilling the jug throughout the day
The answer to this question very much depends on the brand and model of your water filter jug. It also depends on how often you’re using it. Some water filters come with indicators to let you know it’s time to change it, which is useful. But, all new water filters will let you know how long the filter is supposed to last, this is typically displayed in months and filters can last anywhere from two to six months. If you can’t remember when you last changed your filter, look out for these signs that the filter needs replacing:

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