Pack of 2 ICEDADDY DA29-00003G, DA29-00003G, DA29-00003B, DA29-00003A, HAFCU1, Premium Water Filter Replacement Retains the beneficial minerals in water for better health Great value for money with the superior quality Features the same great quality as original filter at a fraction of the price It is recommended to replace the filter every 6 months or 300 gallons, whichever comes first. We are sure you will enjoy the benefits of our product, for concerns, you can contact us and ask refund.