SAMUSNG Original Internal Water Filter For Refrigerator HAF-QIN/EXP DA97-17376B for use in DA97-08006C-A systems Internal filter for RFG23*, RS61*, RS6A*, RSG5*, RSH* models Samsung brand water filters are tested and certified by NSF International, a public benefit NGO committed to protecting public health, safety and the environment. Its certificate is widely recognized in the world as a guarantee of safety.Samsung water filters containing only high-grade activated carbon remove many potentially harmful contaminants that may be present in the water, such as chlorine. Chlorine is commonly used to disinfect water, but it gives water its characteristic aftertaste and smell. heavy metals (e.g. Lead), asbestos, benzene, mercury and carbofuran. These common industrial pollutants with high toxicity can enter water sources and endanger your health. spores of microorganisms and parasites (e.g. cyrptosporidium). These pathogens are commonly found in the waters of rivers and lakes. They are very resistant to disinfectants (e.g. chlorine) and can stay in water for a long time.