ICEDADDY Pack of 3 DA29-00020B Fits for Samsung DA29-00020B Water Filter- Also Fits DA29-00020A, HAF-CIN/EXP, 46-9101 Refrigerator Water Filter Leak-proof technology for perfect fit without water leaks Retains the beneficial minerals in water for better health Remove over 99% of numerous potentially harmful contaminants, using a high grade carbon block. It is recommended to replace the filter every 6 months or 300 gallons, whichever comes first. Premium carbon block used in our filters is made of selected coconut shell. The porous structure offers a high contaminant-adsorption rate.