Clear Choice CLCH105 DA29-00020B Refrigerator Water Filter Samsung DA29-00020B Filter Replacement, NSF 42 Certified Nsf 42: System tested and certified by iapmo against nsf/ansi standard 42 for the reduction of chlorine taste and odor 6 month/200 gallon filter removes chlorine, odor, contaminants and particulate Compatible with Samsung refrigerators Replaces part numbers: Da2900019a, da2900020b and hafcin and others (see complete list b Made in the USA